About this item /Quality Upgrade: The professional kitchen knife sharpener with innovative V-shaped slot design and a spring is added to enable the sharpening slot to expand and shrink. No matter the angle of the blade, it can create an incomparable sharp and durable blade. And do not scratch the blade, brings you a smooth and beautiful blade! /Ideal for a Variety of Knives: Our knife sharpener is suitable for several kinds of straight blade knives (chef knives, fruit knives, cleaver etc.), serrated knives / scissors. In addition, a detachable ceramic polishing rod is added for sharpening special-shaped tools, and can also be used for polishing. /Premium and Durability: The base of our knife sharpeners is made of high quality nano materials with strong suction and durability. There is no need to hold the knife sharpener during the sharpening process, one-handed operation brings you comfortable control. The operation of the knife sharpener is simple and labor-saving, making it safer for women and the elderly. /Easy to Use / Save Time and Effort: Just put the dull knife into the V-shaped slot and pull it back 2-4 times to restore the sharpness, which is very easy to operate. With an ordinary knife sharpener you need to sharpen 5-7 times, this one only needs 2-4 times to achieve a very sharp effect. Less sharpening, less wear on the blade. Sharpen a blunt knife and it will be as sharp as a / one!