Describe: ZWILLING Diamond Knife sharpener helps shorten the grinding time and longer life than traditional grinding tools thanks to the tough diamond coating. The handle is made of synthetic plastic, strong, easily fixed during the sharpening of the blade. Elegant handle design, convenient hanging holes to hang on the rack. Size Information: Weight: 0.3 kg Size: 42 x 5 x 3.5 cm Use: Dedicated for sharpening knives. Preservation: After grinding, clean with water and wipe dry. Keep in dry places. Brand Information: Brand: ZWILLING. Material: diamond-coated ceramic. Products are not warranted.