Ginsu Kotta Open Stock Series 4-Piece Japanese 420J2 Stainless Steel Steak Knife Set with Limited Japanese-style chef's knives designed for mincing, dicing and slicing Blades are made of commercial quality stainless steel that is stain and rust resistant and well known for sharpness and strength Dual serrated edge is specifically designed to cut with ease through fibrous meats Unique scalloped dual serrated edge prevents the tearing of food like traditional serrated blades Limited lifetime warranty