TRUE PREMIUM QUALITY: Providing a high quality product is the first priority. This product is a good example. This knife sharpener is particularly practical. Your blades will regain their original edge in the blink of an eye, without you having to force. Just place the knife in the notch and pull it towards you. As simple as it is effective! THE PERFECT TOOL: Its handle is ergonomic, ensuring a safe and pleasant grip, and its foot is made of non-slip rubber to prevent it from slipping during sharpening, whether you have a wooden, stone or stone worktop. glass. A must in your kitchen! FOR A WIDE VARIETY OF KNIVES: This sharpener has 3 notches: the first, covered with diamond particles, for coarse sharpening, the second, in tungsten steel, for shaping, deburring and sharpening, and the third, in ceramic, for polishing. Sharpen all your steel knives (except knives with non-smooth blades such as bread knives). No need to buy new knives, even the dullest blades regain their sharpness!