3-stage sharpening system:Electric knife sharpener with Coarse grinding ,Fine grinding and Polishing， Easy 3-stage sharpening system for professional results at home, anytime. Made from diamond material: Diamond is the hardest natural substance on earth, our knife sharpener electric utilise the elastic constant force design structure of diamond for a balanced and powerful grinding force. This allows for faster and easier sharpening of knife edges. Precise and easy to use: The knife sharpener comes with the Angle Guide function. Applies a fine 20-degree edge for precision slicing. Ensures accurate sharpening throughout the entire edge and eliminates any guesswork Ultra Versatile: Kitchen knife sharpener is ideal for sharpening all types of knives, including kitchen, household, sporting and pocket knives" Magnetic Chip Collection box:Magnetic knife chips collection design at the bottom for easy cleaning of the metal shavings after sharpening kitchen electric knife sharpener: 1.Three-section sharpener with functions of coarse grinding, fine grindingand polishing. Coars grinding: Suitable for grinding blunt knives or those need putting an edge. Fine grinding: Suitable for daily maintenance of knives. Fine grinding can remove the burrs and grinding marks on the edge after coarse grinding, making the edge smoother and sharper. Frequently-used kitchen knives are recommended for precision grinding once a week) Polishing: Suitable for polishing the blade after fine grinding. Polishing can remove tiny burrs and grinding marks on the edge, making the edge smoother and brighter. Polishing is recommended on the edge after each sharpening of the knife 2. Made of diamond material, suitable for all metal and ceramic knives. 3. Utilizes the elastic constant force of diamond to design the structure,with balanced and powerful grinding force. 4. The knife sharpener comes with the Angle Guide function. 5. The grinding head is made of special material, which can protect thesides of the knife from being scratched when it is sharpened.6.With the function of debris collection and easy to clean