The Kai Wasabi Black 6-1/2-Inch Nakiri Knife is designed in an East-meets-West style with a European double-bevel blade. All Kai Wasabi Black knives are made with Daido 1K6 high-carbon stainless steel for superior sharpness and edge retention. The blades are graze finished to produce a beautiful, brushed look. Black polypropylene handles give The Kai Wasabi Black a contemporary look and feel. Each blade is engraved with the Japanese characters for Wasabi, which means harmony and tranquility. NSF approved. Limited lifetime warranty.