[Four-in-one sharpener upgrade] Includes 4 different groove types: Polishing grooves for sharpening scissors. Coarse grinding: If your knife is dull, please use it. Fine grinding: Hold your knife with a sharp blade and remove any burrs. Precision grinding: Use ceramic rods to sharpen your knives to the best possible effect. [Easy to use] Simply remove the tool from the appropriate notch several times, and after a few seconds, even the old knife blunt will be as new (please do not sharpen it back and forth). [Slip resistance] The bottom of the sharpener has a unique anti-slip design, which has good anti-slip performance when use. Let you have a better experience. [Ergonomic handle and rubber hanging ring] Whether you are right-handed or left-handed, the ergonomic handle allows you to restore your chopper in seconds! The rubber hanging ring design allows you to easily place the sharpener and keep it in place. [Multifunction] The professional sharpener is lightweight, portable and durable, suitable for knives from straight-edged steel kitchen, scissors and large serrated knives (bread knives). Includes knives with hardened steel blades. It can be used at home, outdoors and even while camping on the road. Delivery quantity: 1 * knife sharpener