Masahiro Traditional Carbon Knives

These traditional Kasumi style Japanese Knives are true one-sided knives. This means that the blades are fairly thick, and the back side is concave. This allows you to sharpen the face of the knife, then flip it over and lay the knife flat on a stone to remove the burr. Due to the concave shape, only the spine and edge will touch the stone, so you will not scratch the back of the knife. Deba’s are the work-horse of this series used for filleting fish and general purpose work. Yanagiba’s are for slicing meat and fish, while the Usuba is used for vegetable preparation.

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  • Masahiro Shiro-Ko 240mm Yanagiba

    The Masahiro Shiro-Ko 240mm Yanagiba is a traditional Japanese slicing knife crafted for flawless, single-stroke cuts of raw fish and proteins. Forged from White #2 steel (Shirogami/Shiro-Ko), this high-purity carbon steel is renowned for achieving exceptional sharpness with ease, delivering the clean, precise cuts essential to sushi and sashimi preparation. With its long, slender 240mm Yanagiba blade, this knife is designed to glide effortlessly through fish in one smooth pull, preserving texture and appearance while minimizing cell damage. The result is beautifully clean slices that reflect the elegance and discipline of Japanese cuisine. A lightweight Paulownia (Empress) wood handle paired with a classic water buffalo horn ferrule provides excellent balance, comfort, and control during extended prep. Refined, responsive, and expertly crafted, the Masahiro Shiro-Ko Yanagiba is an essential tool for chefs and serious home cooks who demand precision, sharpness, and tradition in every slice. Learn More
  • Masahiro Shiro-Ko 180 mm Usuba

    The Masahiro Shiro-Ko 180mm Usuba Knife is a traditional Japanese vegetable knife designed for unmatched precision and control. Crafted from White #2 steel (Shirogami/Shiro-Ko)—a high-purity carbon steel revered by professionals—this blade takes an exceptionally sharp edge with ease, making it ideal for clean, accurate cuts that preserve the texture and appearance of vegetables. The 180mm Usuba profile features a straight edge and tall blade, allowing for effortless push cuts, katsuramuki (rotary peeling), and detailed vegetable work. Every movement feels intentional and refined, reflecting the delicacy and discipline of Japanese cuisine. Finished with a lightweight Paulownia (Empress) wood handle and a traditional water buffalo horn ferrule, the knife offers excellent balance, comfort, and a timeless aesthetic. Responsive, precise, and beautifully crafted, the Masahiro Shiro-Ko Usuba is a trusted tool for chefs and serious home cooks who demand sharpness, control, and authenticity in their vegetable preparation. Learn More

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