Blade 27 cm Sukenari HAP40 S/S Clad S-3N4 for Gyuto knife. Manufactured from three layers of steel (San Mai technique) with a cobalt alloyed HAP40 powder steel core with stainless steel clad. Total length is 410 mm. Stainless steel clads. Not allowed to wash by dishwasher. It is not allowed to cut by Japanese chef knives bones and meat with bones, coconuts and other nuts, other hard products. Weight is 350 g.