Over time, even the best knife needs to be sharpened regularly to keep its sharpness and cutting capacity. This sharpener is easy to use, and allows you to obtain an excellent result in complete safety. It is high quality and can sharpen both scissors and screwdrivers, etc. Your tools regain their sharpness instantaneously. It is equipped with a non-slip base which provides excellent stability. In plastic and sandstone. Works with 4 x AA batteries. Dimensions: 14 x 8.7 x 6.5 cm.