Ginsu Kotta Open Stock 2-Piece Stainless Steel Santoku Set with 5-Inch and 7-Inch Santoku Blades 4858 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 Expertly designed for fine slicing and effortless chopping Unique scalloped dual serrated edge prevents the tearing of food like traditional serrated blades Limited lifetime warranty