{"product_id":"geo-knife-strix-geo2510d","title":"GEO Knife Strix GEO2510D M390 Blade Titanium Handle Crossbar Lock Folding Knife","description":"\u003cp\u003eThe GEO Knife Strix GEO2510D combines exceptional craftsmanship with cutting-edge performance. Built around a premium Böhler M390 blade—renowned for extreme wear resistance and edge retention—this knife delivers professional-grade capability. The 6AL4V titanium handle features an ergonomic design ensuring secure, intuitive grip in any condition. The crossbar lock mechanism provides reliable blade security, while ambidextrous operation suits any user. At just 3.7 oz, this ultralight folder transitions seamlessly from campsite to daily carry. Hand-rubbed satin finish, bronze washers, and vacuum-cryogenically treated HRC60-62 hardness create a durable EDC investment. The drop-point blade excels at outdoor tasks requiring precision and durability.\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: GEO2510D\u003cbr\u003eProduct Type: Folding Knife\u003cbr\u003eBrand: GEO \u003cbr\u003eOverall Length: 8.4 inch \/ 213mm\u003cbr\u003eBlade Length: 3.6 inch \/ 91mm\u003cbr\u003e\u003cbr\u003eHandle Length:  4.8 inch \/ 122 mm\u003cbr\u003eHandle Thickness: 0.46 inch \/ 11.7mm\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: Hand-Rubbed Satin \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\u003eScrews Material: 6AL4V Titanium\u003cbr\u003eItem Weight: 3.7 oz \/ 104 g\u003cbr\u003e\u003cbr\u003eDesigner: n.anh_design\u003cbr\u003eCountry of Origin: China\u003c\/p\u003e\n\u003ch2\u003eGEO Knife Strix GEO2510D - Product Overview\u003c\/h2\u003e\u003cp\u003eThe GEO Knife Strix GEO2510D is a full-size 213 mm EDC folder by n.anh_design: a 91 mm Bohler \u003ca href=\"\/es\/collections\/m390\"\u003eM390\u003c\/a\u003e drop point in hand-rubbed satin, Purple anodized 6AL4V titanium frame and a light, fast \u003ca href=\"\/es\/collections\/crossbar-lock-knives\"\u003ecrossbar lock\u003c\/a\u003e. One of the largest \u003ca href=\"\/es\/collections\/geo-knife\"\u003eGEO Knife\u003c\/a\u003e builds in our \u003ca href=\"\/es\/collections\/folding-knives\"\u003efolding knives\u003c\/a\u003e lineup.\u003c\/p\u003e\u003ch2\u003eGEO Knife Strix GEO2510D - 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 hand-rubbed satin. 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 GEO2510D is built as a buy-once-carry-for-years working tool.\u003c\/p\u003e\u003ch2\u003eGEO Knife Strix GEO2510D - 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\u003ePurple anodized 6AL4V titanium frame with a flowing ergonomic curve that locks the hand in forward and reverse grips.\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 91 mm drop point handles cardboard, food prep and rope without wedging.\u003c\/li\u003e\n\u003cli\u003e104 g on the scale - full-size reach at a carry weight most 3-inch folders would envy.\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 Strix GEO2510D - Where It Earns Its Pocket Time\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily pocket carry\u003c\/strong\u003e - at 104 g and 213 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 - the flowing ergonomic frame still carries discreetly at 104 g.\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 GEO2510D 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 Strix GEO2510D - 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\u003eHand-Rubbed Satin\u003c\/strong\u003e\u003cbr\u003eA blade finished by hand on successive abrasive grits so the scratch lines run perfectly lengthwise. It looks dressier than stonewash and shows fewer fingerprints than a mirror polish.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eGEO Knife Strix GEO2510D - 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 full-size M390 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 104 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 Strix GEO2510D - 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 Strix GEO2510D\",\"sku\":\"GEO2510D\",\"mpn\":\"GEO2510D\",\"productID\":\"GEO2510D\",\"brand\":{\"@type\":\"Brand\",\"name\":\"GEO Knife\"},\"manufacturer\":\"GEO Knife\",\"material\":\"Bohler M390 blade, titanium\",\"color\":\"titanium\",\"category\":\"Knives \u003e Folding Knives \u003e EDC\",\"description\":\"The GEO Knife Strix GEO2510D is a full-size 213 mm EDC folder by n.anh_design: a 91 mm Bohler \u003ca href=\\\"\/collections\/m390\\\"\u003eM390\u003c\/a\u003e drop point in hand-rubbed satin, Purple anodized 6AL4V titanium frame and a light, fast \u003ca href=\\\"\/collections\/crossbar-lock-knives\\\"\u003ecrossbar lock\u003c\/a\u003e. One of t\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Model\",\"value\":\"GEO2510D\"},{\"@type\":\"PropertyValue\",\"name\":\"Product Type\",\"value\":\"Folding Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"GEO Knife\"},{\"@type\":\"PropertyValue\",\"name\":\"Model Line\",\"value\":\"Strix\"},{\"@type\":\"PropertyValue\",\"name\":\"Overall Length\",\"value\":\"8.4 inch \/ 213 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Blade Length\",\"value\":\"3.6 inch \/ 91 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Length\",\"value\":\"4.8 inch \/ 122 mm\"},{\"@type\":\"PropertyValue\",\"name\":\"Handle Thickness\",\"value\":\"0.46 inch \/ 11.7 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\":\"Hand-Rubbed Satin\"},{\"@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\":\"3.7 oz \/ 104 g\"},{\"@type\":\"PropertyValue\",\"name\":\"Designer\",\"value\":\"n.anh_design\"},{\"@type\":\"PropertyValue\",\"name\":\"Country of Origin\",\"value\":\"China\"}],\"offers\":{\"@type\":\"Offer\",\"price\":\"239.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"itemCondition\":\"https:\/\/schema.org\/NewCondition\"},\"weight\":{\"@type\":\"QuantitativeValue\",\"value\":104,\"unitCode\":\"GRM\",\"name\":\"104 g (3.7 oz)\"}}\u003c\/script\u003e","brand":"GEO Knife","offers":[{"title":"Default Title","offer_id":50533858476229,"sku":"GEO2510D","price":239.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/03_c5b7b336-e2d5-440e-9a28-fd024654dffc.jpg?v=1790245683","url":"https:\/\/edcmall.cn\/es\/products\/geo-knife-strix-geo2510d","provider":"EDCMALL","version":"1.0","type":"link"}