{"title":"Steel Collection For COSP (Cobalt Special)","description":null,"products":[{"product_id":"myojin-cobalt-special-cosp-bunka-170mm","title":"Myojin Cobalt Special COSP Bunka 180mm Ebony Handle","description":"\u003cp\u003eThe Myojin Riki Cobalt Special COSP Bunka 180mm is a stainless-clad general-purpose knife best fit for first-timers and professional chefs seeking a pointier Santoku profile with high edge retention. Crafted in Tosa by Naohito Myojin, this double-bevel blade features an Ukiba surface finish and measures 169mm in edge length with a 48mm heel height. The distinctive reverse tanto tip and straighter edge facilitate precise slicing, dicing, and chopping of vegetables and meats, while the thin geometry behind the edge supports clean cutting performance.\u003c\/p\u003e\u003cp\u003eThis san-mai stainless clad construction uses Takefu Special Steel COSP, achieving 60-62 HRC through cobalt enrichment for wear resistance and corrosion stability. The blade tapers from 2.1mm at the spine to 0.8mm near the tip and weighs 131g, pairing with an octagonal Ebony handle for balanced control. As a stainless steel option, it offers easier care than reactive alternatives while maintaining the exceptional grinding standards Myojin Riki is known for. Users should note that this specific steel composition may require more frequent sharpening sessions to maintain optimal performance despite its high hardness rating.\u003c\/p\u003e","brand":"Myojin Riki","offers":[{"title":"Default Title","offer_id":44201114829021,"sku":"MJ-COSP-BU180","price":349.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/MyojinCOSPMigakiBunka180mmEbonyHandlea.jpg?v=1715063142"},{"product_id":"myojin-riki-cobalt-special-steel-gyuto-210mm-ebony-handle","title":"Myojin Riki Cobalt Special Steel Gyuto 210mm Ebony Handle","description":"\u003cp\u003eThe Myojin Riki Cobalt Special Gyuto 210mm is a stainless clad chef's knife best fit for first-timers and professional chefs seeking high edge retention in an easy-care format. Crafted in Tosa by Naohito Myojin, this double bevel blade features COSP steel from Takefu Special Steel with a hardness of HRC 60-61. The san-mai stainless clad construction provides corrosion resistance while maintaining the thin geometry behind the edge that characterises this line. An ukiba surface finish distinguishes the blade aesthetically.\u003c\/p\u003e\u003cp\u003eCOSP steel incorporates cobalt to enhance wear resistance and strength, supporting extended sharpness during rigorous use. This specific grind requires more frequent sharpening to maintain optimal performance despite the steel's inherent durability. The octagonal ebony handle offers a tapered geometric profile and weighs 173g total with the blade. Measuring 205mm along the cutting edge with a 47mm heel height, this gyuto suits general purpose tasks including mincing, slicing vegetables, and processing meat. Myojin Riki performs both forging and finishing under one roof, applying exceptional grinding techniques derived from Sakai-trained roots to produce knives valued for their precise geometry and functional balance.\u003c\/p\u003e","brand":"Myojin Riki","offers":[{"title":"Default Title","offer_id":45135240757469,"sku":"MYOJ_COMI_GY210","price":399.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/MyojinCOSPMigakiGyuto210mmEbonyHandlea.jpg?v=1715062883"},{"product_id":"myojin-cobalt-special-cosp-santoku-180mm-ebony-handle","title":"Myojin Cobalt Special COSP Santoku 180mm Ebony Handle","description":"\u003cp\u003eThe Myojin Riki Cobalt Special COSP Santoku 180mm is a stainless clad general-purpose knife best fit for first-timers and professional chefs seeking high edge retention in an easy-care format. Crafted in Tosa by Naohito Myojin, this double-bevel blade features COSP steel from Takefu Special Steel with a hardness of 60-62 HRC. The san-mai stainless clad construction provides corrosion resistance while the ukiba surface finish highlights the maker's exceptional grinding. This profile suits slicing, dicing, and mincing tasks with a controllable geometry that measures 47mm tall at the heel and tapers to 0.9mm near the tip.\u003c\/p\u003e\u003cp\u003eCOSP steel incorporates cobalt to enhance wear resistance and strength, maintaining sharpness during rigorous use while remaining straightforward to maintain. The blade is thin behind the edge yet requires more frequent sharpening to sustain optimal performance. Weighing 129g with a 2.1mm spine at the heel, this santoku pairs with an octagonal ebony handle and black buffalo horn ferrule for a traditional wa-style grip. Myojin Riki performs both forging and finishing under one roof, applying techniques rooted in Sakai training to produce knives valued for their precise grind and functional balance in daily kitchen work.\u003c\/p\u003e","brand":"Myojin Riki","offers":[{"title":"Default Title","offer_id":45569884946653,"sku":"MJ-COSP-ST180-EB","price":369.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/MyojinCobaltSpecialCOSPSantoku180mmEbony-20240808-02.jpg?v=1723096050"},{"product_id":"myojin-riki-cobalt-special-steel-gyuto-240mm-ebony-handle","title":"Myojin Riki Cobalt Special Steel Gyuto 240mm Ebony Handle","description":"\u003cp\u003eThe Myojin Riki Cobalt Special Steel Gyuto 240mm is a stainless clad chef's knife best fit for first-timers and professional chefs requiring a general-purpose blade with superior edge retention. Crafted in Tosa by Naohito Myojin, this gyuto features a san-mai construction with a Cobalt Special steel core hardened to HRC 60-61. The double bevel profile measures 240mm in length and suits mincing, slicing, and chopping tasks across vegetables and proteins. Takefu Special Steel manufactures the COSP alloy, which incorporates cobalt, carbon, and chromium to enhance wear resistance and strength while maintaining corrosion resistance.\u003c\/p\u003e\u003cp\u003eThis knife features an ukiba surface finish and is thin behind the edge, reflecting Myojin Riki's reputation for exceptional grinding. The octagonal ebony handle provides a tapered grip and pairs with a blade that weighs 163g with a heel height of 51mm. As a stainless clad knife, it is easy to look after and resists rust during service. The COSP steel offers excellent durability but requires more frequent sharpening to maintain optimal performance. Forging and finishing occur under one roof at the Myojin Riki workshop, ensuring consistent geometry and fit throughout production.\u003c\/p\u003e","brand":"Myojin Riki","offers":[{"title":"Default Title","offer_id":45569898119389,"sku":"MYOJ_COMI_GY240EB","price":439.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/MyojinRikiCobaltSpecialSteelGyuto240mmEbony-20240808-02.jpg?v=1723096410"},{"product_id":"kurosaki-sasame-cosp-sujihiki-240mm","title":"Kurosaki Sasame COSP Sujihiki 240mm","description":"\u003cp\u003eThe Kurosaki Sasame COSP Sujihiki 240mm is a forged stainless clad slicer best fit for professional chefs and enthusiasts requiring a long blade for protein work. Crafted by Yu Kurosaki in Takefu, this knife features a COSP (Cobalt Special) steel core with a double bevel edge and Tsuchime surface finish. The 240mm blade length suits artful thin carving of proteins and slicing terrines, while the slimmer profile reduces surface contact and friction during cuts. This Sasame line distinguishes itself through forging rather than stamping, identifiable by a thick machi neck and distal taper along the spine.\u003c\/p\u003e\u003cp\u003eCOSP steel achieves high hardness and wear resistance through significant cobalt content, maintaining a sharp edge under rigorous use. The san-mai stainless clad construction pairs this core with stainless cladding, and the blade geometry is thin behind the edge to support precise slicing tasks. Weighing 172g with a heel height of 39mm, the spine measures 2.6mm at the heel, 2.1mm at mid, and tapers to 1.0mm at the tip. An octagonal ebony handle provides a tapered grip that complements the blade's balance point. This combination of forged geometry and cobalt-alloyed steel serves users prioritising cutting performance in a dedicated slicing tool.\u003c\/p\u003e","brand":"Kurosaki","offers":[{"title":"Default Title","offer_id":46624446120157,"sku":"KS-SACO-SU240","price":549.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/KurosakiSasameCOSPSujihiki240mma.jpg?v=1754012783"},{"product_id":"kurosaki-sasame-cosp-sujihiki-270mm","title":"Kurosaki Sasame COSP Sujihiki 270mm","description":"\u003cp\u003eThe Kurosaki Sasame COSP Sujihiki 270mm is a forged stainless-clad slicer best fit for professional chefs and enthusiasts requiring a long blade for protein work. Crafted by Yu Kurosaki in Takefu, this knife features a COSP (Cobalt Special) steel core with a double bevel edge and measures 270mm in length. The Sasame line distinguishes itself through forging rather than stamping, resulting in a thick machi and distinct distal taper along the spine. This construction supports the thin geometry behind the edge that characterises Kurosaki’s performance-focused approach.\u003c\/p\u003e\u003cp\u003eCOSP steel provides high hardness and wear resistance for extended edge retention during rigorous slicing tasks. The stainless clad san-mai construction pairs this core with a tsuchime hammered finish to reduce friction when carving proteins or portioning large cuts. Weighing 186g, the blade tapers from 3.1mm at the heel to 1.0mm at the tip, offering agility alongside cutting length. An octagonal ebony handle provides a tapered grip that complements the blade’s balance point. This sujihiki suits users who prioritise precise slicing performance and appreciate hand-forged geometry in a high-hardness stainless package.\u003c\/p\u003e","brand":"Kurosaki","offers":[{"title":"Default Title","offer_id":46624497860829,"sku":"KS-SACO-SU270","price":589.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/KurosakiSasameCOSPSujihiki270mma_fd770387-e10f-438c-a23f-cc7bdc331cf7.jpg?v=1754015020"},{"product_id":"kurosaki-sasame-cosp-santoku-180mm","title":"Kurosaki Sasame COSP Santoku 170mm","description":"\u003cp\u003eThe Kurosaki Sasame COSP Santoku 170mm is a forged stainless-clad general-purpose knife best fit for professional chefs and enthusiasts requiring thin geometry. Crafted by Yu Kurosaki in Takefu, this double-bevel blade features COSP (Cobalt Special) steel from Takefu Special Steel with a hardness of 60-62 HRC. The Sasame line distinguishes itself through forging rather than stamping, resulting in a thick machi and distal taper along the spine. This construction pairs with a tsuchime hammered finish and san-mai stainless cladding to support extended edge retention during rigorous use.\u003c\/p\u003e\u003cp\u003eMeasuring 170mm in edge length, the santoku profile suits slicing, dicing, and mincing tasks with a controllable, less aggressive tip. Specifications include a 45mm heel height, 3.0mm spine thickness at the heel tapering to 1.0mm at the tip, and a total weight of 159g. The octagonal ebony handle provides a tapered grip that complements the blade's balance. As a high-performance tool designed for precision, this knife maintains sharpness through the cobalt-alloyed steel composition while offering the functional versatility expected of the santoku form factor in professional or enthusiast kitchens.\u003c\/p\u003e","brand":"Kurosaki","offers":[{"title":"Default Title","offer_id":46624507691229,"sku":"KS-SACO-SA180","price":459.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/DSC_1370.jpg?v=1770962918"},{"product_id":"kurosaki-sasame-cosp-bunka-170mm","title":"Kurosaki Sasame COSP Bunka 170mm","description":"\u003cp\u003eThe Kurosaki Sasame COSP Bunka 170mm is a hand-forged stainless clad knife best fit for professional chefs and enthusiasts seeking precise general-purpose cutting. Crafted by Yu Kurosaki in Takefu, this 170mm blade features COSP (Cobalt Special) steel from Takefu Special Steel with a hardness of 60-62 HRC. The Bunka profile combines a straighter edge with a pointed reverse tanto tip, facilitating slicing, dicing, and chopping tasks on fruits, vegetables, and meats. This forged construction distinguishes the Sasame line through a thick machi neck and distal taper along the spine.\u003c\/p\u003e\u003cp\u003eCOSP steel incorporates cobalt to enhance wear resistance and strength while maintaining toughness, resulting in extended edge retention under rigorous use. The blade measures 3.1mm at the heel, tapering to 1.0mm at the tip, and weighs 155g with thin geometry behind the edge. A Tsuchime hammered finish adorns the stainless clad san-mai construction. The octagonal ebony handle provides a tapered grip that pairs with the double bevel edge for controlled operation. This knife suits users who prioritise high-performance steel characteristics and artistic forging details in their daily kitchen workflow.\u003c\/p\u003e","brand":"Kurosaki","offers":[{"title":"Default Title","offer_id":46624518799581,"sku":"KS-SACO-BU170","price":459.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/KurosakiSasameCOSPBunka170mma.jpg?v=1754015723"},{"product_id":"kurosaki-sasame-cosp-gyuto-240mm","title":"Kurosaki Sasame COSP Gyuto 240mm","description":"\u003cp\u003eThe Kurosaki Sasame COSP Gyuto 240mm is a forged stainless clad chef's knife best fit for professional chefs and enthusiasts requiring thin geometry and high wear resistance. Crafted by Yu Kurosaki in Takefu, this 240mm blade features COSP (Cobalt Special) steel from Takefu Special Steel with a hardness of 60-62 HRC. The san-mai stainless clad construction pairs with a Tsuchime hammered finish and double bevel edge geometry designed for general purpose kitchen tasks including mincing, slicing, and chopping.\u003c\/p\u003e\u003cp\u003eThis Sasame line knife is forged rather than stamped, featuring a thick machi neck and distal taper along the spine that measures 3.6mm at the heel, 2.1mm at mid, and 1.0mm at the tip. The blade weighs 224g with a 51mm heel height and 244mm edge length. An octagonal ebony handle provides a tapered grip profile. COSP steel incorporates cobalt to enhance wear resistance and strength while maintaining toughness, though the thin behind-edge geometry can be brittle under lateral stress. This stainless clad gyuto suits users prioritising cutting performance and artistic craftsmanship in a high-budget tool.\u003c\/p\u003e","brand":"Kurosaki","offers":[{"title":"Default Title","offer_id":46624528859357,"sku":"KS-SACO-GY240","price":589.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/7227\/0217\/files\/KurosakiSasameCOSPGyuto240mma_42ae88b8-d139-446e-b7c4-cde10864cb12.jpg?v=1754016082"}],"url":"https:\/\/www.knivesandstones.com.au\/collections\/steel-collection-for-cosp-cobalt-special.oembed","provider":"Knives and Stones","version":"1.0","type":"link"}