Electric knife sharpener 5-in-1 straight knife sharpening system professional diamond sharpener for coarse sharpening ✅ [Efficient Sharpening]: This professional electric knife sharpener features a simple on/off button. Insert the blade diagonally into the sharpening slot and evenly pull the knife back. The angled guide of the electric sharpener secures the blade in place. Perfectly angled, you'll quickly have a brand new, sharp blade. ✅ [Blade-Friendly Design]: Thanks to advanced technology, this sharpener won't degrade the blade, ensuring the lifespan and durability of your knife. Rest assured, your precious knives are safe during the sharpening process. ✅ [Time Saver]: Our electric knife sharpener meets the essential needs of knife sharpening in everyday life. It will restore a knife's sharpness in just 30 seconds with considerable sharpening effect. ✅ [Versatile and Convenient]: Whether for home use, street shops, or professional chefs at a busy meat market, this electric knife sharpener is versatile and adaptable. It can sharpen different types of knives, including iron and steel blades, to suit a variety of scenarios. ✅【Slightly Noisy Operation】: While some electric knife sharpeners can be loud and disruptive, this electric knife sharpener makes minimal noise (the noise level is even less than 65dB), allowing you to sharpen your knives without disturbing others in the kitchen.