Kotobuki knives are made in Japan where knives are made for a specific use and purpose with a unique shape. These knives have a high quality stainless blade that keeps it's edge and is easy to clean. Gyutou, a long double-edged knife which is similar in shape to a Chef's knife. Use for cutting and slicing meats, fish, and vegetables. Blade length: 10-1/2-inch Hand wash with a mild detergent and wipe dry. Sharpen with a whetstone.