Hammer Stahl HS-6306 Santoku Knife German X50CrMoV15 Steel with Pakkawood Handle, 7.5", Stainless Blades are made from top-quality German X50CrMoV15 high carbon stainless steel with a Rockwell hardness of 55-57. The handle's quad tang design, with the handle's steel exposed on all four sides, provides exceptional balance and superior comfort. Knives are safely packaged in a foam-lined box with magnetic latches, perfect for gifting and storage. We offer a LIFETIME WARRANTY to guarantee a lifetime of great cooking.