{"product_id":"rockstead-sai-t-zdp-dp","title":"Rockstead SAI T-ZDP (DP) Zdp189 Blade Titanium Handle Honzukuri Mirror Polished Japanese Folding Knife","description":"\u003cp data-path-to-node=\"3\"\u003eThe \u003cb data-path-to-node=\"3\" data-index-in-node=\"4\"\u003e\u003ca href=\"https:\/\/edcmall.cn\/collections\/rockstead\"\u003eRockstead \u003c\/a\u003eSAI T-ZDP (DP)\u003c\/b\u003e is a masterpiece of premium engineering and traditional \u003cb data-path-to-node=\"3\" data-index-in-node=\"85\"\u003eJapanese folding knife\u003c\/b\u003e heritage. Widely considered a grail knife for serious tactical and \u003cb data-path-to-node=\"3\" data-index-in-node=\"175\"\u003eluxury \u003ca href=\"https:\/\/edcmall.cn\/\"\u003eEDC\u003c\/a\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/edcmall.cn\/\"\u003e \u003c\/a\u003ecollectors, it is globally renowned for its extraordinary edge retention and flawless aesthetics. At the heart of this \u003ca href=\"https:\/\/edcmall.cn\/collections\/folding-knives\"\u003efolding knife\u003c\/a\u003e is its premium \u003cb data-path-to-node=\"3\" data-index-in-node=\"334\"\u003eZDP189 steel\u003c\/b\u003e matrix, bringing the blade to an incredible hardness of approximately \u003cb data-path-to-node=\"3\" data-index-in-node=\"417\"\u003e67 HRc\u003c\/b\u003e. Utilizing Rockstead's signature Honbazuke convex edge technique, it delivers a structurally superior cutting angle.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eDesigned for absolute reliability, the ergonomic handle of this \u003cb data-path-to-node=\"4\" data-index-in-node=\"64\"\u003etitanium pocket knife\u003c\/b\u003e is precision-machined for lightweight durability and an elite tactical feel. The smooth pivot ensures seamless one-handed deployment, making this mirror-polished \u003cb data-path-to-node=\"4\" data-index-in-node=\"248\"\u003eRockstead SAI\u003c\/b\u003e a functional art piece built to endure.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul data-path-to-node=\"2\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,0,0\"\u003e\u003cb data-path-to-node=\"2,0,0\" data-index-in-node=\"0\"\u003eRevolutionary Tanto-Honzukuri Mirror Blade:\u003c\/b\u003e Rockstead’s proprietary, world-first continuous convex grind on a Tanto profile eliminates flat bevels entirely. Hand-polished to a flawless mirror finish, this advanced geometry minimizes cutting friction, providing you with a breathtakingly smooth, laser-sharp slicing experience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,1,0\"\u003e\u003cb data-path-to-node=\"2,1,0\" data-index-in-node=\"0\"\u003eUltra-Hard ZDP189 Steel \u0026amp; Exceptional Edge Retention:\u003c\/b\u003e Forged from premium ZDP189 powder metallurgy steel and heat-treated to an astonishing \u003cb data-path-to-node=\"2,1,0\" data-index-in-node=\"140\"\u003e~67 HRc\u003c\/b\u003e, the blade offers industry-leading wear resistance. Enjoy a knife that stays razor-sharp through rigorous use, significantly outlasting conventional high-end EDC pocket knives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,2,0\"\u003e\u003cb data-path-to-node=\"2,2,0\" data-index-in-node=\"0\"\u003eExquisite Titanium Handle with DLC-Prism Coating:\u003c\/b\u003e The solid titanium handle features an advanced, ultra-thin \u003cb data-path-to-node=\"2,2,0\" data-index-in-node=\"109\"\u003eDLCP (DLC-Prism)\u003c\/b\u003e finish that is harder and more scratch-resistant than standard DLC. This specialized chemical deposition creates a shifting, iridescent color gradient, making every single knife a completely unique, one-of-a-kind work of art.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,3,0\"\u003e\u003cb data-path-to-node=\"2,3,0\" data-index-in-node=\"0\"\u003ePremium Leather Scabbard \u0026amp; Lifetime Factory Support:\u003c\/b\u003e Your investment is fully protected with an included genuine leather scabbard for secure carrying. Furthermore, registering your serialized knife activates Rockstead’s legendary official warranty and professional lifetime sharpening and maintenance services.\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 data-path-to-node=\"0\"\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\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Element\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails \/ Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eModel Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003eSAI T-ZDP (DP)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eFull Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e190 mm (7.48\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eBlade Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003e80 mm (3.15\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eBlade Thickness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e3.7 mm (0.15\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eTotal Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003e140 g (4.94 oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eBlade Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003eZDP189 Premium Powder Metallurgy Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,0,0\"\u003e\u003cb data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\"\u003eBlade Hardness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,1,0\"\u003eAround 67 HRc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,0,0\"\u003e\u003cb data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\"\u003eBlade Shape \u0026amp; Grind\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,1,0\"\u003eTanto-Honzukuri (Convex Mirror-Polished Surface)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,0,0\"\u003e\u003cb data-path-to-node=\"4,9,0,0\" data-index-in-node=\"0\"\u003eHandle Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,1,0\"\u003eSolid Titanium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,0,0\"\u003e\u003cb data-path-to-node=\"4,10,0,0\" data-index-in-node=\"0\"\u003eHandle Coating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,1,0\"\u003eDLCP (DLC-Prism Coating - Unique Iridescent Gradient)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,0,0\"\u003e\u003cb data-path-to-node=\"4,11,0,0\" data-index-in-node=\"0\"\u003eScabbard \/ Sheath\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,1,0\"\u003eGenuine Premium Leather Scabbard Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" id=\"model-response-message-contentr_f4a55e5b3f39de21\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003ch2 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eQ1: Is the ZDP189 steel on the Rockstead SAI too brittle at 67 HRc?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"68\"\u003eA:\u003c\/b\u003e Not at all. While 67 HRc is exceptionally hard, Rockstead utilizes a proprietary heat-treatment process alongside their famous \u003cb data-path-to-node=\"3\" data-index-in-node=\"198\"\u003eTanto-Honzukuri convex grind\u003c\/b\u003e. This flawless geometry distributes cutting impact evenly across the blade, maximizing structural toughness and preventing chipping while providing industry-leading edge retention.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eQ2: How do I sharpen the Rockstead SAI T-ZDP if it ever gets dull?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"67\"\u003eA:\u003c\/b\u003e Because of the mirror-polished Honzukuri convex edge, you should \u003cb data-path-to-node=\"4\" data-index-in-node=\"135\"\u003enever\u003c\/b\u003e use standard flat whetstones or pull-through sharpeners. For regular maintenance, use a leather strop with polishing paste. If the blade requires a complete regrind, it is highly recommended to send it back to Rockstead’s workshop in Japan via their official lifetime sharpening service.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eQ3: Will the DLC-Prism (DLCP) coating on the handle wear off over time?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"72\"\u003eA:\u003c\/b\u003e The advanced \u003cb data-path-to-node=\"5\" data-index-in-node=\"88\"\u003eDLCP (DLC-Prism) coating\u003c\/b\u003e is an industrial-grade finish that is significantly harder and more scratch-resistant than standard DLC. While it resists heavy everyday pocket wear beautifully, the chemical gradient finish means every single handle features a completely unique color reflection that cannot be replicated.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e⚠️ \u003cstrong\u003eCollector's Note\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-path-to-node=\"5\"\u003e This genuine Rockstead knife features a unique serial number. It is fully eligible for \u003cb data-path-to-node=\"10,0,1,0\" data-index-in-node=\"108\"\u003eRockstead's Official Warranty Registration\u003c\/b\u003e and lifetime factory sharpening services.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Rockstead","offers":[{"title":"Default Title","offer_id":46364623929541,"sku":null,"price":2200.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/0699\/4117\/files\/9b5e8b36fa203bc5e9b7a0b31be9380c.jpg?v=1781519557","url":"https:\/\/edcmall.cn\/es\/products\/rockstead-sai-t-zdp-dp","provider":"EDCMALL","version":"1.0","type":"link"}