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Nakiri knife is perfect for everyday vegetable prep. Unlike traditional single-bevel Usuba knives, the Nakiri features a double-bevel edge, making it easy to use for both home cooks and pros. Its rectangular shape and flat blade are optimized for chopping leafy greens and root vegetables. Handcrafted by MASAMOTO SOHONTEN, a trusted maker since 1866, this knife delivers exceptional performance with timeless craftsmanship.\u003c\/li\u003e\u003cli\u003eRAZOR-SHARP BLUE STEEL #2 BLADE: The blade is forged from premium Japanese carbon steel (Aogami Blue Steel No.2), known for its razor-sharp edge, excellent toughness, and long-lasting sharpness. It strikes a perfect balance of hardness and durability, providing a smooth and satisfying cut every time. Note: As a carbon steel knife, it is more prone to rust than stainless steel and requires proper care after each use.\u003c\/li\u003e\u003cli\u003eKUROUCHI FINISH: This knife features a traditional Kuro-Uchi (black-forged) finish, where the darkened surface from the heat-treatment process is left intact. Not only does it give the blade a rugged, rustic appearance, but it also helps to resist rust slightly better. It’s a classic element of Japanese craftsmanship, offering both function and aesthetic character.\u003c\/li\u003e\u003cli\u003eJAPANESE WA HANDLE: The lightweight wooden handle is crafted in the traditional Japanese Wa style, with a comfortable oval shape that fits naturally in your hand. The ferrule is made from durable water buffalo horn, adding strength and elegance to the overall design. This handle ensures a secure grip and precise control during use.\u003c\/li\u003e\u003cli\u003ePRODUCT INFORMATION: Made in Japan \/ Blade length: 6.5 inches (165 mm) \/ Blade material: Masamoto's Ao-ko (AOGAMI Blue Steel #2) \/ Blade finish: Kurouchi \/ Handle material: Magnolia wood, water buffalo horn \/ Hardness Rockwell C scale (HRC): 62-63 \/ Note: Due to subtle differences in blade shape, sayas of the same size from other Masamoto series are not compatible with the KA Series.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eBlade Material\u003c\/th\u003e\u003ctd\u003eHigh Carbon Steel (Aogami Blue Steel No.2)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand\u003c\/th\u003e\u003ctd\u003eMASAMOTO\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eColor\u003c\/th\u003e\u003ctd\u003eBlack\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHandle Material\u003c\/th\u003e\u003ctd\u003eMagnolia Wood\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBlade Edge\u003c\/th\u003e\u003ctd\u003ePlain\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003ch5\u003eProduct description\u003c\/h5\u003e\u003cdiv style=\\\"display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;line-height:0;font-size:0;\\\"\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/40a6fa4b-dbbc-4bf6-b362-2a99f40fafcb.__CR0,0,1464,600_PT0_SX1464_V1___.png\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/4d91423f-be98-48de-87fb-331fb35e3327.__CR0,516,1500,808_PT0_SX650_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003c\/div\u003e\u003cp\u003eForged from premium Blue Steel No.2 by Masamoto’s skilled artisans, this blade delivers excellent sharpness and edge retention. Heat-treated to HRC 62–63, it enhances flavor by preserving food texture—perfect for those who value the clean cut of carbon steel.\u003c\/p\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/95591587-e2df-405d-ab97-a1613601fd6f.__CR423,486,882,475_PT0_SX650_V1___.jpg\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cp\u003eFinished in a traditional kurouchi style, each knife carries a bold, rugged look that gains character with use. The kurouchi layer also provides a slight resistance to rust, making it a favorite among chefs who value both form and function.\u003c\/p\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/0a6bec15-bdeb-453f-872b-53972034ed34.__CR225,500,1000,538_PT0_SX650_V1___.jpg\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cp\u003eThe handle is a traditional wooden Wa handle with natural water buffalo horn ferrule. The oval shape is easy to grip and lightweight.\u003c\/p\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/966af60e-9443-4a5f-84be-1d3de08e463d.__CR462,647,652,351_PT0_SX650_V1___.jpg\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cp\u003eMASAMOTO has been making kitchen knives for over 150 years. Each knife is well-balanced for pursuing ease of use in the long history, and all unnecessary elements have been removed. Feel and enjoy quality knives made by MASAMOTO.\u003c\/p\u003e\u003cp\u003eThe carbon steel knife needs appropriate maintenance\u003c\/p\u003e\u003cp\u003eThis is a carbon steel knife and gets rusted easily with moisture or dirt. Proper maintenance should be performed.\u003c\/p\u003e\u003cp\u003ePlease handle it with care\u003c\/p\u003e\u003cp\u003eThis knife is well-sharpened by a craftsman, so it can be used right out of the box. The blade edge is really thin. Do not handle it roughly, such as hitting it. It may cause a chip or break.\u003c\/p\u003e\u003cp\u003eCompatibility of Sayas\u003c\/p\u003e\u003cp\u003eDue to subtle differences in blade shape, sayas of the same size from other Masamoto series are not compatible with KA Series knives.\u003c\/p\u003e\u003ch5\u003eIs this MASAMTO knife \u0026#034;MASAMOTO SOHONTEN\u0026#034; or \u0026#034;TSUKIJI MASAMOTO\u0026#034;?\u003c\/h5\u003e\u003cp\u003eIs this MASAMTO knife \u0026#034;MASAMOTO SOHONTEN\u0026#034; or \u0026#034;TSUKIJI MASAMOTO\u0026#034;?\u003c\/p\u003e\u003cp\u003eThis is MASAMOTO SOHONTEN\u0026#039;s knife. MASAMOTO is a registered brand of MASAMOTO SOHONTEN based in Azumabashi, Tokyo. Tsukiji Masamoto set up a business independently in 1951, and its products and company organization are completely different.\u003c\/p\u003e\u003ch5\u003eIs this knife rustproof?\u003c\/h5\u003e\u003cp\u003eIs this knife rustproof?\u003c\/p\u003e\u003cp\u003eNo, this is a high carbon steel knife. It gets rusted with moisture or dirt. Proper maintenance should be performed.\u003c\/p\u003e\u003ch5\u003eCan I use a saya from the FH Series or other models?\u003c\/h5\u003e\u003cp\u003eCan I use a saya from the FH Series or other models?\u003c\/p\u003e\u003cp\u003eNo, the KA Series has a different blade shape, so even sayas of the same size from other series, such as the FH Series, will not fit. Please be aware of this when purchasing.\u003c\/p\u003e\u003ch4\u003eFrom the Brand\u003c\/h4\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/d4c60e4a-8de2-4b43-933f-e37994f5fa5d.__CR0,0,1464,625_PT0_SX1464_V1___.jpg\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003ch5\u003eMASAMOTO SOHONTEN SINCE 1866\u003c\/h5\u003e\u003cp\u003eThe Soul of Traditional Japanese Craftsmanship\u003c\/p\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/746bdfb3-5114-4a0c-a5d4-817111ec7758.__CR49,287,1222,563_PT0_SX315_V1___.png\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cp\u003ePursuit of the Traditional Knife\u003c\/p\u003e\u003cp\u003eMasamoto Sohonten was founded towards the end of the Edo period in Japan. Over six generations, Masamoto Sohonten has been refining and protecting the founder\u0026#039;s integrity.\u003c\/p\u003e\u003cp\u003eMASAMOTO knives have been cultivated and refined over a long history. Each traditional knife represents a masterpiece of uniform excellence that we hope customers will use for years to come.\u003c\/p\u003e\u003ch5\u003eAT Home Use Western Knives\u003c\/h5\u003e\u003ch5\u003eCT\/HC Carbon Steel Knives\u003c\/h5\u003e\u003ch5\u003eVG Professional Western Knives\u003c\/h5\u003e\u003ch5\u003eZA Damascus Knives\u003c\/h5\u003e\u003ch5\u003eKS Premium Japanese Knives\u003c\/h5\u003e\u003ch5\u003eOther MASAMOTO Knives\u003c\/h5\u003e\"}\u003c\/script\u003e","brand":"MASAMOTO","offers":[{"title":"Default Title","offer_id":42669159743559,"sku":"B0F37SQD6Z_MULTI","price":538.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/7615\/0855\/files\/llslpno5sjw5_195631-0001.jpg?v=1785095800","url":"https:\/\/kitchenbladehouse.com\/products\/masamoto-ka-japanese-santoku-knife-6-7-170mm-kurouchi-bunka-all-purpose-knife-aogami-blue-steel-2-blade-made-in-japan","provider":"All Kitchen Knife","version":"1.0","type":"link"}