{"product_id":"rockstead-ren-zdp","title":"Rockstead REN-ZDP Premium Japanese Folding Knife with Tanto Convex ZDP189 Blade","description":"\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_7ae62d0f8b7ee47e\" dir=\"ltr\"\u003e\n\u003cp\u003eNamed \u003cb\u003e\"錬\" (REN)\u003c\/b\u003e—meaning \u003ci\u003e\"To Temper\"\u003c\/i\u003e in Japanese—the \u003cb\u003eRockstead REN-ZDP\u003c\/b\u003e premium folding knife embodies the soul of traditional blacksmithing. Designed for elite collectors, this masterfully engineered tactical folder features a core of ultra-premium \u003cb\u003eZDP189 powder stainless steel\u003c\/b\u003e clad in high-performance VG10, heat-treated to an astonishing \u003cb\u003eHRc 67\u003c\/b\u003e. It proudly showcases Rockstead's world-first \u003cb\u003e\"T-Honzukuri\" (Tanto-Convex) mirror-polished blade\u003c\/b\u003e, providing unmatched cutting strength with zero friction.\u003c\/p\u003e\n\u003cp\u003eEngineered for the ultimate everyday carry (\u003ca href=\"https:\/\/edcmall.cn\/\"\u003eEDC\u003c\/a\u003e) experience, the REN-ZDP achieves a flawless structural balance by utilizing a lightweight \u003cb\u003eCarbon Fiber\u003c\/b\u003e presentation scale paired with a rock-solid \u003cb\u003eTitanium Frame Lock\u003c\/b\u003e. Operating on a butter-smooth manual deployment system via dual thumb studs, this meticulously crafted Japanese knife weighs only 124g, delivering absolute durability, sophisticated aesthetics, and legendary edge retention.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features \u0026amp; Master Craftsmanship\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlagship ZDP189 Clad Steel Blade:\u003c\/b\u003e The core is forged from ultra-premium ZDP189 powder stainless steel, clad in high-performance VG10 steel, and heat-treated to an astonishing \u003cb\u003eHRc 67\u003c\/b\u003e. This allows the blade to retain an impossibly sharp edge exponentially longer than standard production knives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWorld’s First \"T-Honzukuri\" (Tanto-Convex) Mirror Finish:\u003c\/b\u003e Rockstead has accomplished what few masters ever dare—combining a sharp Tanto profile with their iconic \u003ci\u003eHonzukuri\u003c\/i\u003e (convex) grind. This continuous curving geometry places maximum structural strength right behind the cutting edge while completely eliminating friction. Finished with a mesmerizing, flawless mirror polish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHybrid Carbon Fiber \u0026amp; Titanium Handle:\u003c\/b\u003e Engineered for a featherlight carrying experience and perfect structural balance. The presentation side (front) features a sleek, modern \u003cb\u003eCarbon Fiber\u003c\/b\u003e scale, while the lock side (back) is a rock-solid \u003cb\u003eTitanium Frame Lock\u003c\/b\u003e ensuring absolute safety and tight lockup under heavy use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFluid Manual Deployment:\u003c\/b\u003e Designed with dual ambidextrous thumb studs and a butter-smooth pivot system, the REN-ZDP deploys smoothly and securely. \u003ci\u003e(Note: This model is a manual thumb-stud deployment, not a flipper)\u003c\/i\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"product-title\"\u003e\u003cstrong\u003eZDP189 Blade Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/zdp-189-steel-blade-knives\"\u003eZDP-189\u003c\/a\u003e is a high-carbon, high-chromium powder metallurgy steel renowned for its extreme hardness, often exceeding 64 HRC, which delivers peerless edge retention and aggressive cutting performance. This performance comes at a cost; its massive carbide volume makes the steel notoriously difficult to sharpen and increases brittleness, posing a risk of chipping under heavy lateral impact. Furthermore, while technically stainless, its high carbon content necessitates diligent maintenance to prevent oxidation, making it a specialized choice for precision cutting tasks rather than rough, heavy-duty utility.\u003c\/p\u003e\n\u003ch3 class=\"c-ttl-sub-s\"\u003eREN-ZDP\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eModel Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e錬 REN-ZDP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFull Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e212 mm (8.34\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e94 mm (3.70\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Thickness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.7 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eZDP189 Clad by VG10 Powder Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Grind \u0026amp; Finish\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT-Honzukuri (Tanto-Convex) \/ Mirror-Polished\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Hardness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~ 67 HRc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eHandle Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCarbon Fiber (Front) \/ Titanium (Back)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eClip Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePremium Titanium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTotal Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e124 g (4.37 oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOrigin\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMeticulously Crafted in Sakai, Osaka, Japan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eQ1: What makes the \"T-Honzukuri\" blade shape unique?\u003c\/b\u003e \u003cb\u003eA:\u003c\/b\u003e Most Tanto blades utilize a straight (\"T-Shinogizukuri\") grind. Rockstead has utilized its proprietary high-tech manufacturing and manual polishing processes to achieve a convex, mirror-polished Tanto edge (\u003ci\u003eT-Honzukuri\u003c\/i\u003e). This enhances both its staggering cutting capability and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2: How does the hybrid handle material benefit everyday carry (EDC)?\u003c\/b\u003e \u003cb\u003eA:\u003c\/b\u003e By using lightweight Carbon Fiber on the front and robust Titanium on the back, Rockstead reduced the total weight of the REN-ZDP to just 124g (compared to full-titanium builds). This provides a perfectly balanced, comfortable, and fatigue-free grip without compromising lock strength.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3: Does the Rockstead REN-ZDP include a lifetime factory warranty?\u003c\/b\u003e \u003cb\u003eA:\u003c\/b\u003e Yes. Every authentic Rockstead knife features a unique serial number. Once registered on Rockstead’s official website, you gain access to their lifetime warranty and legendary factory sharpening\/re-polishing services in Japan to restore your mirror edge to brand-new standards.\u003c\/p\u003e","brand":"Rockstead","offers":[{"title":"Default Title","offer_id":46446472560837,"sku":"REN-ZDP","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/RSRENZDP_1.jpg?v=1782198870","url":"https:\/\/edcmall.cn\/zh-hans\/products\/rockstead-ren-zdp","provider":"EDCMALL","version":"1.0","type":"link"}