Product details:

Master Grade is designed for both commercial use and home use. It gives an outstanding professional performance resulting in a knife with a razor sharp edge that is ready in a matter of a few seconds. Our DC powered electric knife sharpener is equipped with three 3 different types of sharpening wheels -- coarse medium and fine. The coarse and medium sharpening wheels are for pre-sharpening and the fine wheel is for the finishing step to a razor sharp edge blade.