Kiritsuke Gyuto knife Sukenari Slender S-6412 with 27 cm blade. The blade is made of powder steel Damascus SG-2. Heat-treated to 63-64 HRC, the R2/SG2 powder steel offers extraordinary back-the-edge thinness and edge retention. This knife has a unique natural wooden texture of octagonal Bocote wood handle, which has a buffalo horn ferrule. This Sukenari japanese knife is not allowed to wash in dishwasher. Japanese kitchen knives have very hard, but thin blade. It is not allowed to cut by japanese knives bones and meat with bones, coconuts and other nuts, other hard products.