BergHOFF's 4pc Knife Set. The knives are made of high-quality stainless steel and feature stylish stainless-steel handles. They are easily sharpened and hold their edge well. The handle is safe, high impact and slip resistant, as well as antimicrobial and micro-organism safe. Set includes: (7") Santoku knife with holes, (5”) Santoku knife grooved, (4 1/2") Santoku knife, (7" x 3 1/2") cleaver. Hand wash recommended with warm water and mild detergent. Avoid cleansers that contain bleach or citrus extracts.