Knife sharpener COLTTo give kitchen knives their cutting edge back in no time at all here is a three-stage knife sharpener for quick and easy re-sharpening. re-sharpen knives in three stepssafe grip due to anti-slip rubber coatingergonomic handle Nothing is left blunt: the three-stage knife sharpener features a diamond grindstone which smoothes damaged blades before their V shape is restored with tungsten steel at stage 2. The finish comes from the ceramic grindstone, which polishes the blade and levels out any unevenness. The anti-slip rubber coating gives the three-stage knife sharpener a firm stand on the worktop, and the ergonomic handle ensures a comfortable and safe grip.Materials: tungsten steel / ceramic whetstone / diamond whetstone / plasticNot dishwasher safeSize: length 20.5 cm x width 4.7 cm x height 7 cmWeight: 0.19 kg