Yoshihiro Aoko (Blue Steel) Suminagashi Damascus Kiritsuke Japanese Multipurpose Chef Knife 10.5 Inch(270mm) with Nuri Saya Cover Kiritsuke Japanese Chef's Knife is a cross between a chef's knife and a vegetable knife. It is perfect for dicing, slicing, and chopping fresh produce from a farmers market to carving a roast chicken straight from the oven. Blue Steel #2 High Carbon Steel Core (HRC 62-63) for maximum cutting performance and edge retention (HRC 62-63) Clad in softer steel for added durability and ease of maintenance. Damascus refers to the beautiful marbled wave like patterns. Only the most skilled of artisans can forge these metals together in such a complex puzzle piece formation, blending aesthetics and performance. Complimented with a round Shitan Rosewood Handle with Lacquered Nuri Saya Cover included. Hand wash with mild cleanser; NSF Approved; Handmade by skilled tradesmen in Japan.