Ginsu 5915 Damascus Series 5-Piece Prep Knife Set Includes 5-inch santoku, 5-inch utility knife, 3.5-inch paring knife kitchen shears and bamboo storage block Utilizes 33 layers of high carbon and low carbon japanese stainless steel with a vg-1 core to form a superior blade Blade has unique layered appearance created by folding the two different types of steel Blades are sharpened to a 10 degree Asian knife edge angle and then cryogenically cooled Limited lifetime warranty and never needs sharpening