{"title":"OU-31 Steel","description":"\u003cp\u003eThis modern Powdered Metallurgy knife steel is made by Nippon Kosuha Steel Co. Ltd. and is distributed by Kyoritsu Kozai Co. Ltd. It is claimed to have a \"homogeneous\", \"fine\" and \"clean\" microstructure, which provides up to three times the toughness of AISI D2 and a hardness equivalent to AISI M2 (HRc. 64).\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eC 0.90% | Cr 8.50% | Co 3.00%  | Mo 2.00% | V 3.00%\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"dew-hara-dh-180-kisaragi-copper","title":"Dew Hara DH-180 \"KISARAGI\" 如月 COPPER","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNext Generation \u0026amp; Stylish Japanese Traditional Art Custom Knives, we believe this words describe well about Dew Hara Custom Knife Collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collection__description\"\u003e\n\u003cp\u003e\u003cspan\u003eKoji Hara's son, Dew Hara grown up in a knife family and naturally got involved with the knifemaking and learning his farther Koji Hara's technique.  Over 20 years of studying from Koji Hara, for finding his own way and own knives, Dew had been training at the well-known custom knifemaker, Anthony Marfione as his disciple for two years. We respect Dew Hara's passion and talent of creating something unique in his own design and function. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDH-180 \"KISARAGI COPPER\" Poactive and innovative Custom Knifemaker, Dew Hara is always seeking out new possibilities and opportunities that will enable him to produce highly original, \"next-level\" Folding and Fixed knives.\u003cbr\u003e\u003cbr\u003eThis \"KISARAGI\" knife is the result of his passionate, hard work and we clearly see that he has managed to raise his skills and craftsmanship to an even higher level. The 2-1\/2\" OU-31 blade has been highly mirror polished and Black DLC coated for a beautiful shinny black finish. Japanese Kiridashi style sharp triangle tip. The OU-31 is a Japanese Powdered metallurgy steel that has a composition similar to CPM-3V. The 4\" Clear Coated Hand Rubbed Copper Handle is matching with Black DLC coated OU-31 Blade. Comes with Pocket clip with his logo and serial number #055, Certificate of Authenticity, Kimono cloth Pouch and Gift box\u003cbr\u003e\u003cbr\u003eOU-31 blade in 3.0mm thick, 70mm blade, 160mm in open, weight 133g\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnife Model: Dew Hara DH-180 \"KISARAGI COPPER\" Serial #055\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Material: OU-31 Steel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRockwell Hardness (HRc): \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHandle Material:  Clear Coated Hand Rubbed Copper Handle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall Length: 160mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Length: 70mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Thickness: 3mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 133g\u003c\/span\u003e\u003c\/p\u003e","brand":"Dew Hara","offers":[{"title":"Default Title","offer_id":34770875351085,"sku":"DH-180","price":700.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/products\/dew-hara-dh-180-kisaragi-copper-17283041656877.jpg?v=1599580645"},{"product_id":"dew-hara-dh-140a-kisaragi-collaboration-with-custom-hand-engraver","title":"Dew Hara DH-140A \"KISARAGI\" 如月 \"Collaboration with Custom Hand Engraver\"","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNext Generation \u0026amp; Stylish Japanese Traditional Art Custom Knives, we believe this words describe well about Dew Hara Custom Knife Collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collection__description\"\u003e\n\u003cp\u003e\u003cspan\u003eKoji Hara's son, Dew Hara grown up in a knife family and naturally got involved with the knifemaking and learning his farther Koji Hara's technique.  Over 20 years of studying from Koji Hara, for finding his own way and own knives, Dew had been training at the well-known custom knifemaker, Anthony Marfione as his disciple for two years. We respect Dew Hara's passion and talent of creating something unique in his own design and function. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDH-140A \"KISARAGI\" Proactive and innovative Custom Knifemaker, Dew Hara produced these exciting new Folders in collaboration with an experienced hand-engraver to create a stylish small Tactical Tanto Flipper folders with modern Japanese aesthetic.\u003cbr\u003e\u003cbr\u003eThe 2-1\/2\" OU-31 Recurved Tanto blade is elegantly Satin finished by hand brushing and has a hollow ground body with Japanese Kiridashi style sharp triangle tip. The OU-31 is a Japanese Powdered metallurgy steel that has a composition similar to CPM-3V. 4\" 316 Stainless steel handle has also been Satin finished by hand brushing, and is decorated with a stylish \"one-of-a-kind\" hand engraving that perfectly compliments Dew's \"Simple \u0026amp; Stylish\" new folder design. Comes with Pocket clip with his logo and serial number #062, Certificate of Authenticity, Kimono cloth Pouch, and Gift box\u003cbr\u003e\u003cbr\u003eOU-31 blade in 2.8mm thick, 70mm blade, 160mm in open, weight 128g\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnife Model: Dew Hara DH-140A \"KISARAGI\" 如月 \"Collaboration with Custom Hand Engraver\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Material: OU-31 Steel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRockwell Hardness (HRc): \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHandle Material:  316 Stainless steel handle with Custom Hand Engraving\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall Length: 160mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Length: 70mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Thickness: 2.8mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 128g\u003c\/span\u003e\u003c\/p\u003e","brand":"Dew Hara","offers":[{"title":"Default Title","offer_id":34770980995117,"sku":"DH-140A-No.62","price":620.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/products\/dew-hara-dh-140a-kisaragi-collaboration-with-custom-hand-engraver-17342316216365.jpg?v=1599603816"},{"product_id":"dew-hara-dh-140b-kisaragi-black-dlc-coated-ou-31-blade","title":"Dew Hara DH-140B \"KISARAGI\" Black DLC coated OU-31 Blade","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNext Generation \u0026amp; Stylish Japanese Traditional Art Custom Knives, we believe this words describe well about Dew Hara Custom Knife Collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collection__description\"\u003e\n\u003cp\u003e\u003cspan\u003eKoji Hara's son, Dew Hara grown up in a knife family and naturally got involved with the knifemaking and learning his farther Koji Hara's technique.  Over 20 years of studying from Koji Hara, for finding his own way and own knives, Dew had been training at the well-known custom knifemaker, Anthony Marfione as his disciple for two years. We respect Dew Hara's passion and talent of creating something unique in his own design and function. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDH-140B \"KISARAGI\" Proactive and innovative Custom Knifemaker, Dew Hara is always seeking out new possibilities and opportunities that will enable him to produce highly original, \"next-level\" Folding and Fixed knives.\u003cbr\u003e\u003cbr\u003eThis \"KISARAGI\" knife is the result of his passionate, hard work and we clearly see that he has managed to raise his skills and craftsmanship to an even higher level. The 2-1\/2\" OU-31 blade has been highly mirror polished and Black DLC coated for a beautiful shinny black finish. Japanese Kiridashi style sharp triangle tip. The OU-31 is a Japanese Powdered metallurgy steel that has a composition similar to CPM-3V. The 4\" 316 Stainless steel handle has a Satin finish and matching Black DLC coating. Comes with Pocket clip with his logo and serial number #060, Certificate of Authenticity, Kimono cloth Pouch and Gift box\u003cbr\u003e\u003cbr\u003eOU-31 blade in 3.0mm thick, 70mm blade, 160mm in open, weight 131g\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnife Model: Dew Hara DH-140B \"KISARAGI\" \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Material: Black DLC coated OU-31 Blade\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRockwell Hardness (HRc): \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHandle Material: Black DLC Coated 316 Stainless steel handle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall Length: 160mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Length: 70mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Thickness: 3mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 131g\u003c\/span\u003e\u003c\/p\u003e","brand":"Dew Hara","offers":[{"title":"Default Title","offer_id":34771001147437,"sku":"DH-140B","price":700.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/products\/dew-hara-dh-140b-kisaragi-black-dlc-coated-ou-31-blade-28478096441389.jpg?v=1627979910"},{"product_id":"dew-hara-dh-90-noah-ou-31","title":"Dew Hara DH-90A \"NOAH OU-31\"","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNext Generation \u0026amp; Stylish Japanese Traditional Art Custom Knives, we believe this words describe well about Dew Hara Custom Knife Collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collection__description\"\u003e\n\u003cp\u003e\u003cspan\u003eKoji Hara's son, Dew Hara grown up in a knife family and naturally got involved with the knifemaking and learning his farther Koji Hara's technique.  Over 20 years of studying from Koji Hara, for finding his own way and own knives, Dew had been training at the well-known custom knifemaker, Anthony Marfione as his disciple for two years. We respect Dew Hara's passion and talent of creating something unique in his own design and function. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDH-90 \"NOAH\" Tactical Tanto Flipper Folder, 3-3\/4\" OU-31 Recurved hollow ground with sharp Kiridashi tip Acid Wash Tanto blade with thumb notches on back, 420 Liner locking construction with flipper, 5\" Hand Polished \u0026amp; Rounded Carbon fiber handle with Black Pocket clip, Comes with Certificate, Kimono Cloth Pouch and Gift box.\u003cbr\u003e\u003cbr\u003eOU-31 blade in 3.2mm thick, 95mm blade, 215mm in open, weight 160g\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnife Model: Dew Hara DH-90 \"NOAH OU-31\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Material: OU-31\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRockwell Hardness (HRc): \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHandle Material: Hand Polished \u0026amp; Rounded Carbon fiber handle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall Length: 215mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Length: 95mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Thickness: 3.2mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 160g\u003c\/span\u003e\u003c\/p\u003e","brand":"Dew Hara","offers":[{"title":"64","offer_id":34771385155629,"sku":"DH-90A-64","price":500.0,"currency_code":"USD","in_stock":false},{"title":"65","offer_id":34771385188397,"sku":"DH-90A-65","price":500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/products\/dew-hara-dh-90a-noah-ou-31-17283068395565.jpg?v=1599592044"},{"product_id":"dew-hara-dh-20a-noah-zen","title":"Dew Hara DH-20A \"NOAH-ZEN\"","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNext Generation \u0026amp; Stylish Japanese Traditional Art Custom Knives, we believe this words describe well about Dew Hara Custom Knife Collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"collection__description\"\u003e\n\u003cp\u003e\u003cspan\u003eKoji Hara's son, Dew Hara grown up in a knife family and naturally got involved with the knifemaking and learning his farther Koji Hara's technique.  Over 20 years of studying from Koji Hara, for finding his own way and own knives, Dew had been training at the well-known custom knifemaker, Anthony Marfione as his disciple for two years. We respect Dew Hara's passion and talent of creating something unique in his own design and function. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDew Hara DH-20A \"Noah-Zen\" is  the Stonewash finish versions of \"NOAH\" with different blade material \"Stavax ESR\" (Uddeholm Premium stainless mould steel). It has a stonewashed bead blasted blade with Stonewashed bead blasted Duralumin handle with Carbon fiber inlays. Dew has used his own designed Pivot screws on this verson. Each has a serial number and the Certificate of Authenticity, Comes with Kimono cloth pouch and gift box\u003cbr\u003e\u003cbr\u003eStavas ESR blade in 4.0mm thick, 90mm blade, 217mm in open, weight 190g\u003cbr style=\"font-weight: 400;\"\u003e\u003cbr style=\"font-weight: 400;\"\u003eDH-20A Stavax ESR blade, Purple Carbon Fiber inlay \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnife Model: Dew Hara DH-20A \"NOAH-ZEN\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Material: Stavax ESR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRockwell Hardness (HRc): \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHandle Material: Stonewashed bead blasted Duralumin handle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall Length: 217mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Length: 90mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBlade Thickness: 4mm \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight: 190g\u003c\/span\u003e\u003c\/p\u003e","brand":"Dew Hara","offers":[{"title":"6","offer_id":34771394592813,"sku":"DH-20A-6","price":780.0,"currency_code":"USD","in_stock":false},{"title":"7","offer_id":34771394625581,"sku":"DH-20A-7","price":780.0,"currency_code":"USD","in_stock":false},{"title":"9","offer_id":34771403767853,"sku":"DH-20A-9","price":780.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/products\/dew-hara-dh-20a-noah-zen-17283043262509.jpg?v=1599580766"},{"product_id":"hiroshi-saito-sh-21-natural-elegant-versatile-skinner","title":"Hiroshi Saito SH-21 Natural Elegant Versatile Skinner","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e \"Dignified elegance\"\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. These words describe Custom Knife Maker Hiroshi Saito's dedicated custom works.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the Seki Outdoor Knife Show in October 2014, I fell in love with this sophisticated handmade knife collection. When I picked this knife up and had a closer look, I saw that every little detail had been carefully taken care of, it had a perfect grip and balance, overall it was the fruit of its creator's spirit and philosophy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHiroshi Saito, the maker of this knife, has dedicated many long years to creating custom knives. The making process for custom knives is very different from that of factory knives, which use many standardized, automated processes. Making custom knives requires effort, and the value of the final product lies in how well the product reflects the creator's philosophy and the perfection of their skills.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSH-21 Natural Elegant Versatile Skinner \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eBeautifully hand-polished, Hair Lined Finished OU-31 Steel, 4.7' Skinner \u003c\/span\u003e\u003cspan\u003eBlade comes with a custom handmade 4.9' \"Hand sculpted\" Red-Sandalwood Handle with Brass Hilt that are securely fastened to a hidden tang. From the handle and hilt design to the finishing touches on the blade spine, his work reflects a keen sense of sensitivity and elegance. Each element is thoughtfully considered to create an overall design of exceptional quality.　\u003c\/span\u003e\u003cspan\u003eComes with a custom handmade dark-brown leather sheath.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAggressive and Versatile Skinner Blade design, yet it goes very well with Master Saito's elegance and detailed custom hand works. SH-21 Natural Elegant Versatile Skinner.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOU-31\u003c\/strong\u003e is the modern Powdered Metallurgy knife steel. It is claimed to have a \"homogeneous\", \"fine\" and \"clean\" microstructure, which provides up to three times the toughness of AISI D2 and a hardness equivalent to AISI M2 (HRc. 64).\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eC 0.90% | Cr 8.50% | Co 3.00%  | Mo 2.00% | V 3.00%\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOU-31 Steel blade: 4.4mm thick, 120mm blade, 245mm overall, Weight 152g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e Knife Model: Saito Hiroshi SH-21 Natural Elegant Versatile Skinner\u003cbr\u003e Blade Material: OU-31 Steel\u003cbr\u003e Rockwell Hardness (HRc.): 64\u003cbr\u003e Handle Material:  \"Hand sculpted\" Red-Sandalwood Handle with Brass Hilt\u003cbr\u003e Leather Sheath: Included\u003cbr\u003e Overall Length: 245mm (9.6 inches)\u003cbr\u003e Blade Length: 120mm (4.7 inches)\u003cbr\u003e Blade Thickness: 4.4mm (0.17 inch)\u003cbr\u003e Weight: 152g (5.3oz)\u003c\/span\u003e\u003c\/p\u003e","brand":"Hiroshi Saito","offers":[{"title":"Default Title","offer_id":46705835049238,"sku":"SH-21","price":580.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/files\/hiroshi-saito-sh-21-natural-elegant-versatile-skinner-42757688918294.jpg?v=1698405027"},{"product_id":"seiji-yanagiba-ys-30-custom-outdoor-utility-ou-31-mono-steel","title":"Seiji Yanagiba YS-30 Custom Outdoor Utility (OU-31 Mono Steel)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn 2008, some of the knife authorities in Seki formed the \"Seki Challengers Knife Club\" to train and impart traditional Seki knife making techniques and knowledge to young Seki knife craftsmen. There are now 15 club members, who gather once a month. They all work at Seki knife factories, and are challenged to make their own knives after work and at weekends.\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eJKD is trying to support and encourage them by introducing their knives for sale. Here are some of the latest knives received:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eMr. Seiji Yanagiba recently become 60 years old, for many decades, he has worked hard as a knife craftsman in Seki City. During this time, he has worked for several of Seki City’s famous knife manufacturers and kitchen knife manufacturers and gained a lot of knife making knowledge, experience and skills.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eHe has a passion for custom knife making and he often attends Japanese Custom Knife Shows, always trying to learn as much as possible from the other veteran custom knife makers. Mr. Yanagida spends most of his spare time making custom knives. Through his continued efforts and attempts, he has steadily improved his skills and techniques and his custom knives now reflect his own unique character and sense of style.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eYS-30 Custom Outdoor Utility (OU-31 Mono Steel)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eMirror Polished, 3.1’ (120mm) OU-31 Steel Drop Point Blade.  Mr. Yanagida wanted to make practical and something special Custom Outdoor Utility knife, and carefully selected the handle material.  Custom handcrafted combination handle (Leather Washers, and \"Hand sculpted\" Red-Sandalwood) with Nickel Silver Hilt and Damascus Stainless Steel butt. The Hand Rounded and Shaped Custom Combination Handle provides a precise and secure grip. made Brown Leather Sheath.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e Comes with a custom handmade Brown Leather Sheath.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOU-31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the modern Powdered Metallurgy knife steel. It is claimed to have a \"homogeneous\", \"fine\" and \"clean\" microstructure, which provides up to three times the toughness of AISI D2 and a hardness equivalent to AISI M2 (HRc. 64).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eC 0.90% | Cr 8.50% | Co 3.00%  | Mo 2.00% | V 3.00%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eOU-31 Steel blade: 3mm thick (0.11 inch), 120mm (4.7 inch) blade, 232mm (9.1 inch) overall, Weight 168g (5.9 oz)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0mm; font-variant-caps: normal; font-stretch: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; min-height: 14px;\"\u003e\u003cspan style=\"font-size: 9.0pt;\" lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003eKnife Model: Seiji Yanagiba YS-30 Custom Outdoor Utility (OU-31 Mono Steel)\u003cbr\u003eBlade Material: OU-31 Mono　Steel\u003cbr\u003eRockwell Hardness (HRc): 64\u003cbr\u003eHandle Material: \u003cspan\u003eCustom handcrafted combination handle (Leather Washers, and \"Hand sculpted\" Red-Sandalwood) with Nickel Silver Hilt and Damascus Stainless Steel butt\u003c\/span\u003e\u003cbr\u003eOverall Length: 232mm \u003cbr\u003eBlade Length: 120mm \u003cbr\u003eBlade Thickness: 3mm\u003c\/p\u003e\n\u003cp\u003eWeight: 168g\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Challengers","offers":[{"title":"Default Title","offer_id":51943200391446,"sku":"YS-30","price":990.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/files\/seiji-yanagiba-ys-30-custom-outdoor-utility-ou-31-mono-steel-1259550796.jpg?v=1790075468"},{"product_id":"seiji-yanagiba-ys-35-custom-outdoor-utility-ou-31-mono-steel","title":"Seiji Yanagiba YS-35 Custom Outdoor Slim Utility (OU-31 Mono Steel)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn 2008, some of the knife authorities in Seki formed the \"Seki Challengers Knife Club\" to train and impart traditional Seki knife making techniques and knowledge to young Seki knife craftsmen. There are now 15 club members, who gather once a month. They all work at Seki knife factories, and are challenged to make their own knives after work and at weekends.\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eJKD is trying to support and encourage them by introducing their knives for sale. Here are some of the latest knives received:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eMr. Seiji Yanagiba recently become 60 years old, for many decades, he has worked hard as a knife craftsman in Seki City. During this time, he has worked for several of Seki City’s famous knife manufacturers and kitchen knife manufacturers and gained a lot of knife making knowledge, experience and skills.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eHe has a passion for custom knife making and he often attends Japanese Custom Knife Shows, always trying to learn as much as possible from the other veteran custom knife makers. Mr. Yanagida spends most of his spare time making custom knives. Through his continued efforts and attempts, he has steadily improved his skills and techniques and his custom knives now reflect his own unique character and sense of style.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eYS-35 Custom Outdoor Slim Utility (OU-31 Mono Steel)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eMirror Polished, 3.1’ (120mm) OU-31 Steel Drop Point Blade.  Mr. Yanagida wanted to make practical and something special Custom Outdoor Slim Utility knife, and carefully selected the handle material.  Custom handcrafted combination handle (Leather Washers, and Brown Linen Micarta) with Nickel Silver Hilt. The Hand Rounded and Shaped Custom Combination Handle provides a precise and secure grip. \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eComes with a custom handmade Brown Leather Sheath.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOU-31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the modern Powdered Metallurgy knife steel. It is claimed to have a \"homogeneous\", \"fine\" and \"clean\" microstructure, which provides up to three times the toughness of AISI D2 and a hardness equivalent to AISI M2 (HRc. 64).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eC 0.90% | Cr 8.50% | Co 3.00%  | Mo 2.00% | V 3.00%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eOU-31 Steel blade: 3mm thick (0.11 inch), 120mm (4.7 inch) blade, 232mm (9.1 inch) overall, Weight 143g (5 oz)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0mm; font-variant-caps: normal; font-stretch: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; min-height: 14px;\"\u003e\u003cspan style=\"font-size: 9.0pt;\" lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003eKnife Model: Seiji Yanagiba YS-35 Custom Outdoor Slim Utility (OU-31 Mono Steel)\u003cbr\u003eBlade Material: OU-31 Mono　Steel\u003cbr\u003eRockwell Hardness (HRc): 64\u003cbr\u003eHandle Material: \u003cspan\u003eCustom handcrafted combination handle (Leather Washers, and Brown Linen Micarta) with Nickel Silver Hilt\u003c\/span\u003e\u003cbr\u003eOverall Length: 232mm \u003cbr\u003eBlade Length: 120mm \u003cbr\u003eBlade Thickness: 3mm\u003c\/p\u003e\n\u003cp\u003eWeight: 143g\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Challengers","offers":[{"title":"Default Title","offer_id":51943262978326,"sku":"YS-35","price":940.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/files\/seiji-yanagiba-ys-35-custom-outdoor-slim-utility-ou-31-mono-steel-1259550754.jpg?v=1790074749"},{"product_id":"seiji-yanagiba-ys-51-custom-outdoor-hunter-ou-31-mono-steel","title":"Seiji Yanagiba YS-51 Custom Outdoor Hunter (OU-31 Mono Steel)","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"3\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn 2008, some of the knife authorities in Seki formed the \"Seki Challengers Knife Club\" to train and impart traditional Seki knife making techniques and knowledge to young Seki knife craftsmen. There are now 15 club members, who gather once a month. They all work at Seki knife factories, and are challenged to make their own knives after work and at weekends.\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eJKD is trying to support and encourage them by introducing their knives for sale. Here are some of the latest knives received:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eMr. Seiji Yanagiba recently become 60 years old, for many decades, he has worked hard as a knife craftsman in Seki City. During this time, he has worked for several of Seki City’s famous knife manufacturers and kitchen knife manufacturers and gained a lot of knife making knowledge, experience and skills.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eHe has a passion for custom knife making and he often attends Japanese Custom Knife Shows, always trying to learn as much as possible from the other veteran custom knife makers. Mr. Yanagida spends most of his spare time making custom knives. Through his continued efforts and attempts, he has steadily improved his skills and techniques and his custom knives now reflect his own unique character and sense of style.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eYS-51 Custom Outdoor Hunter (OU-31 Mono Steel)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eMirror Polished, 3.9’ (100mm) OU-31 Steel Drop Point Blade.  Mr. Yanagida wanted to make practical Custom Outdoor Utility knife with something special steel, and carefully selected the OU-31 steel. Custom handcrafted Micarta handle provides a precise and secure grip. \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eComes with a custom handmade Brown Leather Sheath.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOU-31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the modern Powdered Metallurgy knife steel. It is claimed to have a \"homogeneous\", \"fine\" and \"clean\" microstructure, which provides up to three times the toughness of AISI D2 and a hardness equivalent to AISI M2 (HRc. 64).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eC 0.90% | Cr 8.50% | Co 3.00%  | Mo 2.00% | V 3.00%\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eOU-31 Steel blade: 4.6mm thick (0.18 inch), 102mm (4 inch) blade, 210mm (8.2 inch) overall, Weight 213g (7.5 oz)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0mm; font-variant-caps: normal; font-stretch: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; min-height: 14px;\"\u003e\u003cspan style=\"font-size: 9.0pt;\" lang=\"EN-US\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/span\u003e\u003cbr\u003eKnife Model: Seiji Yanagiba YS-51 Custom Outdoor Hunter  (OU-31 Mono Steel)\u003cbr\u003eBlade Material: OU-31 Mono Steel\u003cbr\u003eRockwell Hardness (HRc): 64\u003cbr\u003eHandle Material: Black Micarta\u003cspan\u003e handle \u003c\/span\u003e\u003cbr\u003eOverall Length: 210mm \u003cbr\u003eBlade Length: 102mm \u003cbr\u003eBlade Thickness: 4.6mm\u003c\/p\u003e\n\u003cp\u003eWeight: 213g\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Challengers","offers":[{"title":"Default Title","offer_id":51943854670102,"sku":"YS-51","price":580.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2159\/5123\/files\/seiji-yanagiba-ys-51-custom-outdoor-hunter-ou-31-mono-steel-1259550738.jpg?v=1790072887"}],"url":"https:\/\/japaneseknifedirect.mom\/collections\/ou-31-steel\/shape_spear-point.oembed","provider":"japaneseknifedirect.mom","version":"1.0","type":"link"}