Describe: ZWILLING Ceramic knife sharpener helps the blade to get an initial sharpness just 3-4 times. The blade is made of ceramic that allows gentle grinding, high grinding performance, saving time and effort. The handle is made of synthetic plastic, gently curved design, easy to handle and has convenient hanging holes to hang on the rack after use. The edge of the handle gives the grinder a balance between the blade and the handle, and helps protect the hand when used. Size Information: Weight: 0.2 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: ceramic and synthetic resin (handle). Products are not warranted.