Yoshihiro High Performance SLD Steel Kiritsuke Knife Mirror Polish Rosewood Handle with Lacquered Nuri Saya Cover High Performance SLD is among the new generation of steels being engineered in Japan. Highly wear resistant, Hardness is comparable to Blue High Carbon Steel (HRC 62-63), with fairly excellent levels of stain resistance. Blade edge features a thin construction for razor sharpness. Mirror polish for a stunning finish. Double edged, multipurpose knife, stainless. Do not place in dishwasher and keep away from frozen food and bones. Handcrafted in Japan.