{"title":"GEO Knife Ethereal Cutter","description":"\u003cp data-path-to-node=\"1\"\u003eThe GEO Knife Ethereal Cutter series blends futuristic styling with elite mechanical precision for modern everyday carry. These premium Folding Knives feature a razor-sharp M390 stainless steel blade, delivering exceptional wear resistance, corrosion resistance, and long-lasting edge retention for demanding slicing tasks. Built to match any carry preference, the collection offers ergonomically contoured handles in high-end Titanium, lightweight Carbon Fiber, or durable G10. Featuring silky-smooth ball-bearing deployment and rock-solid lockup, the GEO Knife Ethereal Cutter elevates your daily EDC setup with the craftsmanship of GEO Knife.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e \u003c\/p\u003e","products":[{"product_id":"geo-knife-ethereal-cutter-geo2402a","title":"GEO Knife Ethereal Cutter GEO2402A M390 Blade Titanium Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402A exemplifies premium EDC design with its M390 stainless steel blade and 6AL4V titanium handle. This 7.1-inch folding knife delivers exceptional edge retention and corrosion resistance, ideal for outdoor enthusiasts and daily carry. The crossbar lock mechanism ensures secure deployment, while ergonomic design provides an intuitive grip in any condition. Weighing just 92 grams, it combines ultralight utility with durability. The stonewash blade finish and ambidextrous construction enhance both aesthetics and functionality. Whether camping or tackling everyday tasks, this precision-engineered knife represents superior craftsmanship and performance.\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp align=\"justify\" class=\"MsoNormal\"\u003eModel:GEO2402A\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/ 77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103 mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26 mm\u003cbr\u003eBlade Thickness: 0.1 inch \/ 3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: Stonewash\u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: 6AL4V Titanium\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material: \u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap:6AL4V Titanium                           \u003cbr\u003ePivot Collar: Damtanium CamoCarbon inlays\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: 3.25 oz \/ 92 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402A pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with Bead-textured 6AL4V titanium scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to stonewash blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with titanium, bronze washers and a 6AL4V titanium clip, the GEO2402A is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eBead-textured 6AL4V titanium scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e92 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 92 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402A legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock Textured Titanium builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 92 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402A - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the titanium scales with a dry microfiber cloth; anodized colour is a surface oxide layer that scuffs under grit.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional stones barely cut Bohler M390.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on leather - heavy pressure chips a hard, thin apex.\u003c\/li\u003e\n\u003cli\u003eClean the titanium with warm water and mild soap only; solvents and bleach discolour anodizing.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or lateral-load the tip; a 3.1 mm blade at 62 HRC chips before it bends.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel causes sluggish, gritty deployment.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium fasteners gall if you overtighten them.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402A\",\"sku\":\"GEO2402A\",\"mpn\":\"GEO2402A\",\"productID\":\"GEO2402A\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, titanium\",\"color\":\"Natural Titanium\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402A pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with Bead-textured 6AL4V titanium scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402A\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"stonewashed\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"6AL4V Titanium\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"3.25 oz \/ 92 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"159.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":92,\"unitCode\":\"GRM\",\"name\":\"92 g (3.25 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534205849797,"sku":"GEO2402A","price":159.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/03_b2404d39-d59d-4695-bfd4-3c4f7c6d507c.jpg?v=1790247366"},{"product_id":"geo-knife-ethereal-cutter-geo2402b","title":"GEO Knife Ethereal Cutter GEO2402B M390 Blade Titanium Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402B combines exceptional engineering with premium materials for the discerning EDC enthusiast. Featuring a Bohler M390 blade—renowned for exceptional edge retention and corrosion resistance—paired with a lightweight 6AL4V titanium handle, this folding knife delivers superior durability and performance. The drop-point blade, finished in blackwash with a flat grind, maintains a razor-sharp edge for extended use. Designed for ambidextrous operation with a secure crossbar lock mechanism, its ergonomic profile ensures intuitive handling in any environment. At just 92 grams, this ultralight utility knife is ideal for camping, outdoor adventures, or daily carry. Meticulously crafted with attention to detail, the GEO2402B represents an intelligent investment in quality and reliability.\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eModel:GEO2402B\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/ 77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26mm\u003cbr\u003eBlade Thickness: 0.1 inch \/ 3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: Blackwash \u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: 6AL4V Titanium\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material: \u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap: 6AL4V Titanium   \u003cbr\u003ePivot Collar: Damtanium CamoCarbon inlays\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: 3.25 oz \/ 92 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402B pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with Bronze-anodized 6AL4V titanium scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to blackwash blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with titanium, bronze washers and a 6AL4V titanium clip, the GEO2402B is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eBronze-anodized 6AL4V titanium scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e92 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 92 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402B legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock Bronze Titanium builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 92 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402B - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the titanium scales with a dry microfiber cloth; anodized colour is a surface oxide layer that scuffs under grit.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional stones barely cut Bohler M390.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on leather - heavy pressure chips a hard, thin apex.\u003c\/li\u003e\n\u003cli\u003eClean the titanium with warm water and mild soap only; solvents and bleach discolour anodizing.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or lateral-load the tip; a 3.1 mm blade at 62 HRC chips before it bends.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel causes sluggish, gritty deployment.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium fasteners gall if you overtighten them.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402B\",\"sku\":\"GEO2402B\",\"mpn\":\"GEO2402B\",\"productID\":\"GEO2402B\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, titanium\",\"color\":\"Bronze\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402B pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with Bronze-anodized 6AL4V titanium scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket y\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402B\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"blackwashed\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"6AL4V Titanium\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"3.25 oz \/ 92 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"159.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":92,\"unitCode\":\"GRM\",\"name\":\"92 g (3.25 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534246056133,"sku":"GEO2402B","price":159.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/02_edc5acba-750f-42c7-822b-493edcca3131.jpg?v=1790247476"},{"product_id":"geo-knife-ethereal-cutter-geo2402c","title":"GEO Knife Ethereal Cutter GEO2402C M390 Blade Titanium Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402C combines exceptional craftsmanship with practical EDC performance. Featuring a premium Bohler M390 blade—a high-performance stainless steel renowned for superior edge retention and corrosion resistance—this folding knife delivers outstanding durability. The 6AL4V titanium handle ensures lightweight strength with an ergonomic design perfect for outdoor adventures and daily carry. Its crossbar lock mechanism provides secure blade deployment, while the ambidextrous design accommodates all users. At just 92 grams, this drop-point blade offers ultralight utility without compromising performance. Whether camping, hiking, or tackling everyday tasks, the GEO Knife impresses with meticulous attention to detail and reliable\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp align=\"justify\" class=\"MsoNormal\"\u003eModel:GEO2402C\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26mm\u003cbr\u003eBlade Thickness: 0.1 inch \/3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: Darkwash \u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: 6AL4V Titanium\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material: \u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap: 6AL4V Titanium\u003cbr\u003ePivot Collar: Damtanium CamoCarbon inlays\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: 3.25 oz \/ 92 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402C pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with Graphite-gray 6AL4V titanium scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to darkwash blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with titanium, bronze washers and a 6AL4V titanium clip, the GEO2402C is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eGraphite-gray 6AL4V titanium scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e92 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 92 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402C legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock Graphite Titanium builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 92 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402C - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the titanium scales with a dry microfiber cloth; anodized colour is a surface oxide layer that scuffs under grit.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional stones barely cut Bohler M390.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on leather - heavy pressure chips a hard, thin apex.\u003c\/li\u003e\n\u003cli\u003eClean the titanium with warm water and mild soap only; solvents and bleach discolour anodizing.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or lateral-load the tip; a 3.1 mm blade at 62 HRC chips before it bends.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel causes sluggish, gritty deployment.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium fasteners gall if you overtighten them.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402C\",\"sku\":\"GEO2402C\",\"mpn\":\"GEO2402C\",\"productID\":\"GEO2402C\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, titanium\",\"color\":\"Graphite Gray\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402C pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with Graphite-gray 6AL4V titanium scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402C\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"darkwashed\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"6AL4V Titanium\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"3.25 oz \/ 92 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"159.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":92,\"unitCode\":\"GRM\",\"name\":\"92 g (3.25 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534398951621,"sku":"GEO2402C","price":159.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/02-_Color_Gray.jpg?v=1790248163"},{"product_id":"geo-knife-ethereal-cutter-geo2402d","title":"GEO Knife Ethereal Cutter GEO2402D M390 Blade Titanium Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402D combines exceptional engineering with practical EDC design. Featuring a premium M390 blade with HRC60-62 hardness, this folding knife delivers outstanding edge retention and corrosion resistance. The 6AL4V titanium handle with crossbar lock mechanism ensures durability and secure operation in any environment. At just 92 grams, it offers ultralight portability without compromising performance. The ambidextrous design accommodates all users, while bronze washers and DLC finishes enhance reliability. With a 3.0-inch blade and optimized ergonomics, this knife excels for camping, outdoor adventures, and daily carry. Built to exacting standards, the GEO2402D represents the perfect balance of craftsmanship, functionality, and value for serious knife enthusiasts.\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eModel: GEO2402D\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/ 77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26mm\u003cbr\u003eBlade Thickness: 0.1 inch \/ 3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: DLC \u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: 6AL4V Titanium\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material: \u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap: 6AL4V Titanium (DLC)  \u003cbr\u003ePivot Collar: Damtanium CamoCarbon inlays\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: 3.25 oz \/ 92 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402D pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with DLC-coated 6AL4V titanium scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to dlc blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with titanium, bronze washers and a 6AL4V titanium clip, the GEO2402D is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eDLC-coated 6AL4V titanium scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e92 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 92 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402D legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock DLC Titanium builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 92 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402D - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the titanium scales with a dry microfiber cloth; anodized colour is a surface oxide layer that scuffs under grit.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional stones barely cut Bohler M390.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on leather - heavy pressure chips a hard, thin apex.\u003c\/li\u003e\n\u003cli\u003eClean the titanium with warm water and mild soap only; solvents and bleach discolour anodizing.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or lateral-load the tip; a 3.1 mm blade at 62 HRC chips before it bends.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel causes sluggish, gritty deployment.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium fasteners gall if you overtighten them.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402D\",\"sku\":\"GEO2402D\",\"mpn\":\"GEO2402D\",\"productID\":\"GEO2402D\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, titanium\",\"color\":\"Full Black DLC\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402D pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with DLC-coated 6AL4V titanium scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 92 g it disappears in the pocket yet cu\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402D\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"DLC-coated\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"6AL4V Titanium\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"3.25 oz \/ 92 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"223.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":92,\"unitCode\":\"GRM\",\"name\":\"92 g (3.25 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534403834053,"sku":"GEO2402D","price":223.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/02_de654079-0173-40fd-924b-0f94fc5396c2.jpg?v=1790248424"},{"product_id":"geo-knife-ethereal-cutter-geo2402g","title":"GEO Knife Ethereal Cutter GEO2402G M390 Blade G10 Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402G combines exceptional craftsmanship with practical performance. Featuring a premium Bohler M390 blade—a powder-metallurgical stainless steel renowned for edge retention and corrosion resistance—this folding knife delivers reliability in demanding environments. The G10 handle ensures durability and ergonomic comfort, while the crossbar lock mechanism provides secure deployment. At just 2.79 oz, this lightweight EDC knife balances utility with portability. With titanium hardware, stonewash blade finish, and ambidextrous design, it suits both outdoor enthusiasts and daily carry users. The 3.0-inch drop point blade maintains sharpness through extended use, making it an ideal choice for camping, hiking, and tactical applications.\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eModel: GEO2402G\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO\u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/ 77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26mm\u003cbr\u003eBlade Thickness: 0.1 inch \/ 3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: Stonewash\u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: G10\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material: \u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap: 6AL4V Titanium \u003cbr\u003ePivot Collar :Titanium(Blue)\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: 2.79 oz \/ 79 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402G pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with Teal G10 scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 79 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to stonewash blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with G10, bronze washers and a 6AL4V titanium clip, the GEO2402G is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eTeal G10 scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e79 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 79 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402G legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCarbon Fiber\u003c\/strong\u003e\u003cbr\u003eWoven carbon strands set in resin. It is the lightest structural handle material in EDC, stiff enough to be milled thin and completely immune to humidity or temperature swings.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eG10\u003c\/strong\u003e\u003cbr\u003eA woven fiberglass cloth soaked in epoxy and compressed under heat. It is light, rigid, essentially weatherproof and grippy even with wet hands.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock Teal G10 builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 79 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402G - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the blade dry after every use - M390 is stainless, not stain-proof, and pocket humidity will still speckle it.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional aluminium-oxide stones barely cut this steel.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on a fine ceramic or leather strop - heavy pressure chips a hard apex.\u003c\/li\u003e\n\u003cli\u003eRinse with warm water and mild dish soap when it gets grimy, then dry thoroughly before it goes back in the pocket.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or use the tip as a screwdriver; hard steel trades impact toughness for wear resistance.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel is the number one cause of a sluggish action.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium hardware gall if you overtighten it.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402G\",\"sku\":\"GEO2402G\",\"mpn\":\"GEO2402G\",\"productID\":\"GEO2402G\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, G10\",\"color\":\"Teal\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402G pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with Teal G10 scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 79 g it disappears in the pocket yet cuts like a fixed b\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402G\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"stonewashed\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"G10\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"2.79 oz \/ 79 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"87.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":79,\"unitCode\":\"GRM\",\"name\":\"79 g (2.79 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534411436229,"sku":"GEO2402G","price":87.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/02_a5c6e28b-4647-4593-abad-14be5a3ec071.jpg?v=1790248651"},{"product_id":"geo-knife-ethereal-cutter-geo2402k","title":"GEO Knife Ethereal Cutter GEO2402K M390 Blade Carbon Fiber Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO2402K Ethereal Cutter combines premium craftsmanship with cutting-edge engineering. Featuring a Bohler M390 stainless steel blade—renowned for exceptional wear resistance and edge retention—this folding knife delivers uncompromising performance. The stonewash drop-point blade, hardened to HRC60-62, maintains a razor-sharp edge through demanding tasks. Carbon fiber handles with a crossbar lock mechanism provide ergonomic security and ambidextrous operation. Weighing just 70 grams, the titanium hardware and bronze washers ensure lightweight durability without compromise. At 180mm overall length, this EDC knife excels for outdoor adventures, camping, and daily carry. Precision vacuum and cryogenic heat treatment guarantees reliability. The GEO2402K represents the pinnacle of modern folding knife design.\u003c\/p\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eM390 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/m390\"\u003eM390\u003c\/a\u003e is an advanced powder-metallurgical stainless steel utilizing high chromium and vanadium content to deliver exceptional wear resistance and industry-leading corrosion resilience. It excels at retaining a razor-sharp edge under prolonged use; however, this extreme hardness renders the blade notably difficult to sharpen or reprofile without diamond abrasives. Additionally, its fine microstructure, while offering superior edge stability, sacrifices some structural toughness and may be more prone to chipping under heavy lateral stress.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\" align=\"justify\"\u003eModel:GEO2402K\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 7.1 inch \/ 180mm\u003cbr\u003eBlade Length: 3.0 inch \/ 77mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.1 inch \/ 103mm\u003cbr\u003eHandle Thickness: 0.4 inch \/ 10mm\u003cbr\u003eBlade Width: 1.0 inch \/ 26mm\u003cbr\u003eBlade Thickness: 0.1 inch \/ 3.1mm\u003cbr\u003eBlade Material: Bohler M390\u003cbr\u003e\u003cbr\u003eHeat Treatment: Vacuum \u0026amp; Cryogenic\u003cbr\u003eBlade Hardness: HRC60-62\u003cbr\u003eBlade Type: Drop Point\u003cbr\u003eBlade Finish: Stonewash\u003cbr\u003eBlade Grind: Flat\u003cbr\u003e\u003cbr\u003eHandle Material: Carbon fiber\u003cbr\u003eLock Type: Crossbar\u003cbr\u003eDexterity: Ambidextrous\u003cbr\u003eWashers Material:\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eBronze Washers\u003c\/span\u003e\u003cbr\u003eBack Spacer: N\/A\u003cbr\u003e\u003cbr\u003eClip Material: 6AL4V Titanium\u003cbr\u003eClip Position: Tip-up, Right\u003cbr\u003ePivot Cap:6AL4V Titanium                            \u003cbr\u003ePivot Collar: \u003cspan\u003eTitanium(Blue)\u003c\/span\u003e\u003cbr\u003eScrews Material: 6AL4V Titanium\u003cbr\u003e\u003cbr\u003eItem Weight: \u003cspan\u003e2.47 \u003c\/span\u003eoz \/ 70 g\u003cbr\u003eDesigner: GEO Knife\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Ethereal Cutter GEO2402K pairs a Bohler \u003ca href=\"\/collections\/m390\"\u003eM390\u003c\/a\u003e drop-point blade with Marbled carbon fiber scales and an ambidextrous \u003ca href=\"\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 70 g it disappears in the pocket yet cuts like a fixed blade - browse all \u003ca href=\"\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e and \u003ca href=\"\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds at EDCMALL.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Bohler M390 - Super Steel Built to Outcut the Field\u003c\/h2\u003e\u003cp\u003eBohler M390 is the reason this knife holds its edge weeks longer than a mid-steel folder. The third-generation powder-metallurgy stainless from Austria carries a dense carbide population that resists abrasive wear at 60-62 HRC, yet its 20 percent chromium matrix still cleans up like a true stainless after food prep or rain. GEO hardens every blade under vacuum and cryogenic treatment, then finishes each one to stonewash blade finish. The trade-offs are honest: M390 wants diamond abrasives when it finally does need sharpening, and it chips rather than bends under prying - treat it like the precision instrument it is and it will outlast several lesser knives. Combined with carbon fiber, bronze washers and a 6AL4V titanium clip, the GEO2402K is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Core Selling Points\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBohler M390 blade at 60-62 HRC - exceptional edge retention with genuine stainless corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eAmbidextrous crossbar lock - spring-bar lock is fully ambidextrous and keeps fingers clear of the blade path.\u003c\/li\u003e\n\u003cli\u003eMarbled carbon fiber scales milled to a 10 mm profile that fills the hand without hot spots.\u003c\/li\u003e\n\u003cli\u003eBronze washers at the pivot deliver a smooth, detented opening that will not go gritty with pocket lint.\u003c\/li\u003e\n\u003cli\u003e6AL4V titanium pocket clip, tip-up right carry, rides deep and low in the pocket.\u003c\/li\u003e\n\u003cli\u003eFlat-ground 77 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e70 g on the scale - light enough for dress trousers, stout enough for work jeans.\u003c\/li\u003e\n\u003cli\u003eVacuum and cryogenic heat treatment for full hardness conversion and long-term dimensional stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 70 g and 180 mm closed-friendly footprint it rides unnoticed until needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarehouse and cardboard duty\u003c\/strong\u003e - M390 edge retention shrugs weeks of box cutting between touch-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamp kitchen and food prep\u003c\/strong\u003e - stainless steel cleans up after acidic food without staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeekend trail and EDC errands\u003c\/strong\u003e - the crossbar lock opens and closes with either hand in any weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesk and dress carry\u003c\/strong\u003e - a low-ride titanium clip and clean lines sit quietly under office dress.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs Bohler M390 worth it over cheaper steels?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, if you cut daily and hate sharpening. M390 holds a working edge roughly three times longer than 8Cr13MoV-class steels and still resists rust; the cost is slower sharpening on diamond plates.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does a crossbar lock work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA spring-loaded bar spans the handle and wedges behind the blade tang when it opens. Pull the bar back with your index or middle finger and the blade folds shut - fully ambidextrous, no liner to flex.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the GEO2402K legal to carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eFolding knives with a manual crossbar lock are legal to carry in most jurisdictions, but blade-length rules vary - check your local law before carrying.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the titanium handle scratch?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAnodized titanium develops honest carry marks over time; the oxide layer beneath stays corrosion-proof. Stonewashed and dark finishes hide wear best.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat sharpening setup works for M390?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eDiamond or CBN stones from 320 to 1000 grit, then a 3000-grit ceramic or leather strop. Conventional aluminium-oxide stones barely cut 60-62 HRC steel.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Steel Comparison Table\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSteel\u003c\/th\u003e\n\u003cth\u003eTypical HRC\u003c\/th\u003e\n\u003cth\u003eEdge Retention\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eToughness\u003c\/th\u003e\n\u003cth\u003eSharpening Ease\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBohler M390\u003c\/strong\u003e (this knife)\u003c\/td\u003e\n\u003ctd\u003e60-62\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult (diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-20CV\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eExceptional\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPM-S35VN\u003c\/td\u003e\n\u003ctd\u003e58-60\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eBetter\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14C28N\u003c\/td\u003e\n\u003ctd\u003e59-61\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD2\u003c\/td\u003e\n\u003ctd\u003e58-61\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003ctd\u003eFair (oil it)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGlossary of Key Terms\u003c\/h2\u003e\u003cstrong\u003eBohler M390\u003c\/strong\u003e\u003cbr\u003eA third-generation powder-metallurgy stainless from Bohler loaded with chromium, vanadium and molybdenum carbides. At 60-62 HRC it holds a working edge longer than almost any other production knife steel and still resists corrosion like a true stainless.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCrossbar Lock\u003c\/strong\u003e\u003cbr\u003eA spring-loaded steel bar that spans the handle and wedges behind the blade tang. It is fully ambidextrous, keeps your fingers out of the blade path on closing and is among the strongest folder locks in production.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e6AL4V Titanium\u003c\/strong\u003e\u003cbr\u003eThe Ti-6Al-4V aerospace alloy used for GEO's scales, clip, pivot cap and screws. It is roughly 45 percent lighter than steel, completely corrosion-proof and takes a hard, wear-resistant anodized surface.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBronze Washers\u003c\/strong\u003e\u003cbr\u003ePhosphor-bronze pivot washers that give a smooth, controlled opening and shrug off pocket grit far better than bare titanium-on-steel contact.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDrop Point\u003c\/strong\u003e\u003cbr\u003eA convex spine that sweeps down toward a strong, controllable point - the default all-round blade profile for hard-use EDC.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFlat Grind\u003c\/strong\u003e\u003cbr\u003eBlade flats that taper in a straight line from the spine to the edge. It slices better than a hollow grind and stays much tougher behind the apex.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVacuum and Cryogenic Heat Treatment\u003c\/strong\u003e\u003cbr\u003eA two-stage quench: vacuum hardening prevents decarburization and scale, then a deep cryogenic cycle converts retained austenite so the steel reaches its full hardness and dimensional stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHRC\u003c\/strong\u003e\u003cbr\u003eRockwell Hardness C scale: the industry standard for reporting blade hardness. Higher numbers mean a harder, more wear-resistant edge that is also less forgiving of lateral load.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCarbon Fiber\u003c\/strong\u003e\u003cbr\u003eWoven carbon strands set in resin. It is the lightest structural handle material in EDC, stiff enough to be milled thin and completely immune to humidity or temperature swings.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eG10\u003c\/strong\u003e\u003cbr\u003eA woven fiberglass cloth soaked in epoxy and compressed under heat. It is light, rigid, essentially weatherproof and grippy even with wet hands.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Who Should Buy \/ Who Should Skip\u003c\/h2\u003e\u003ch3\u003eWho Should Buy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou carry a knife every day and want edge retention measured in weeks, not days.\u003c\/li\u003e\n\u003cli\u003eYou want one ambidextrous folder both left- and right-handed users can run safely.\u003c\/li\u003e\n\u003cli\u003eYou collect M390 crossbar-lock Carbon Fiber builds and want the whole GEO Knife line covered.\u003c\/li\u003e\n\u003cli\u003eYou need a lightweight EDC that still punches above its weight in hard cutting tasks.\u003c\/li\u003e\n\u003cli\u003eYou value titanium hardware, bronze washers and cryogenic heat treat as long-term reliability cues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho Should Skip\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou pry with your knife - M390 chips laterally; a tougher 3V or Nitro-V blade is the better beater.\u003c\/li\u003e\n\u003cli\u003eYou sharpen on budget oil stones only - 60-62 HRC steel needs diamond abrasives.\u003c\/li\u003e\n\u003cli\u003ePrefer heavy over-built knives - at 70 g this folder prioritizes light carry.\u003c\/li\u003e\n\u003cli\u003eYou need a knife for saltwater daily use - rinse discipline is still required despite stainless steel.\u003c\/li\u003e\n\u003cli\u003eYour local law caps blades below this model's length - check the specs before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGEO Knife Ethereal Cutter GEO2402K - Care \u0026amp; Maintenance\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eWipe the blade dry after every use - M390 is stainless, not stain-proof, and pocket humidity will still speckle it.\u003c\/li\u003e\n\u003cli\u003eOne drop of quality knife oil at the pivot and crossbar contact points monthly, then cycle the action to spread it.\u003c\/li\u003e\n\u003cli\u003eBlow pocket lint out of the handle channel with compressed air before oiling so grit never grinds inside the pivot.\u003c\/li\u003e\n\u003cli\u003eSharpen on diamond or CBN plates; at 60-62 HRC conventional aluminium-oxide stones barely cut this steel.\u003c\/li\u003e\n\u003cli\u003eUse light, consistent strokes and finish on a fine ceramic or leather strop - heavy pressure chips a hard apex.\u003c\/li\u003e\n\u003cli\u003eRinse with warm water and mild dish soap when it gets grimy, then dry thoroughly before it goes back in the pocket.\u003c\/li\u003e\n\u003cli\u003eNever pry, twist or use the tip as a screwdriver; hard steel trades impact toughness for wear resistance.\u003c\/li\u003e\n\u003cli\u003eKeep the crossbar track clean; a lint-packed omega spring channel is the number one cause of a sluggish action.\u003c\/li\u003e\n\u003cli\u003eRe-torque clip and body screws with the correct Torx driver - titanium hardware gall if you overtighten it.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"GEO Knife Ethereal Cutter GEO2402K\",\"sku\":\"GEO2402K\",\"mpn\":\"GEO2402K\",\"productID\":\"GEO2402K\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, carbon fiber\",\"color\":\"Matte Black Marble\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Ethereal Cutter GEO2402K pairs a Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop-point blade with Marbled carbon fiber scales and an ambidextrous \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. At 180 mm overall and 70 g it disappears in the pocket yet cuts li\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2402K\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Ethereal Cutter\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"7.1 inch \/ 180 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.0 inch \/ 77 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.1 inch \/ 103 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.4 inch \/ 10 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Width\",\"value\":\"1.0 inch \/ 26 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Thickness\",\"value\":\"0.1 inch \/ 3.1 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Material\",\"value\":\"Bohler M390\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Hardness\",\"value\":\"HRC 60-62\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Type\",\"value\":\"Drop Point\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Finish\",\"value\":\"stonewashed\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Grind\",\"value\":\"Flat\"},{\"@type\":\"PropertyValue\",\"name\":\"Heat Treatment\",\"value\":\"Vacuum \u0026 Cryogenic\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Material\",\"value\":\"Carbon Fiber\"},{\"@type\":\"PropertyValue\",\"name\":\"Lock Type\",\"value\":\"Crossbar\"},{\"@type\":\"PropertyValue\",\"name\":\"Dexterity\",\"value\":\"Ambidextrous\"},{\"@type\":\"PropertyValue\",\"name\":\"Washers\",\"value\":\"Bronze Washers\"},{\"@type\":\"PropertyValue\",\"name\":\"Pocket Clip\",\"value\":\"6AL4V Titanium, Tip-up Right\"},{\"@type\":\"PropertyValue\",\"name\":\"Item Weight\",\"value\":\"2.47 oz \/ 70 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"135.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":70,\"unitCode\":\"GRM\",\"name\":\"70 g (2.47 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50534438109381,"sku":"GEO2402K","price":135.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/02_fb26d8b9-b0e0-4006-880a-25efa6e7fdfe.jpg?v=1790248824"}],"url":"https:\/\/edcmall.cn\/collections\/geo-knife-ethereal-cutter.oembed","provider":"EDCMALL","version":"1.0","type":"link"}