The Diamond edge 3-stage electric knife sharpener is designed to keep your finest cutlery and common household knives in prime condition by incorporating both mechanical and manual sharpening elements. It offers coarse and fine stages of mechanical sharpening and fixed angle ceramic stones for manual finishing. This unique combination gives you added versatility to quickly sharpen dull knives or touch up already sharp blades, while offering a beautiful design that fits in any kitchen environment. In addition, variable stages of sharpening prolong the life of your blade by allowing you to match the condition of the blade with the appropriate rate of metal removal needed to sharpen the edge. The soft grip and non-slip feet make it safe and easy to use.