Describe: ZWILLING knife sharpener is made of high quality chrome steel, has high carbonization and firmness to ensure sharpening results. Hardness abrasive: 62 HRc Rugged design, using classic materials. Handles made of synthetic plastic, comfortable grip, convenient hanging holes hang on the rack after each use. Size Information: Weight: 0.2 kg. Size: 42 x 4 x 3 cm. Use: Dedicated for sharpening knives. Preservation: After grinding, clean with water and wipe dry. Keep in dry places. Brand Information: Brand: ZWILLING. Material: chrome plated steel, synthetic fiber handle. Products are not warranted.