Knife Sharpener - Automatic Angle Adjustment Straight Edge Knife Sharpener-Suitable for all kinds of knives: Our knife sharpener is suitable for all types of straight-edged knives (chef knives, fruit knives, meat cleavers, etc.), serrated knives and scissors. A detachable ceramic polishing rod is also included, which can be used to sharpen knives of special shapes and can also be used for polishing. Quality improvement: This professional knife sharpener adopts an innovative V-groove design and spring design, which can retract the sharpening groove. It can create extremely sharp and durable blades regardless of the blade angle. It will not scratch the blade, making the blade smooth and beautiful! Easy to use, time-saving and labor-saving: Just put the dull knife into the V-groove and pull it out 2 to 4 times to restore the sharpness, and the effect is remarkable. Easy to use. Ordinary knife sharpeners need to be sharpened 5 to 7 times, while this one only needs 2 to 4 times to achieve a very sharp effect. Fewer sharpening times and less blade wear. High-quality and durable: The base of this kitchen knife sharpener is made of high-quality nano-materials, which is highly sticky and durable. There is no need to hold the sharpener during the sharpening process; one-handed operation, comfortable control. Simple and labor-saving to use, safer for women and the elderly to use.