To keep your knives at the peak of performance, regularly sharpen them with this electric three-stage sharpener. Ideal for straight-edge or serrated blades, it uses 100% diamond-coated disks to efficiently hone and set the cutting edges for superb precision and longer life. Recommended for double edge Asian style knives, single bevel edge and serrated knives, can be used to sharpen thick spine knives like cleavers. Three-stage process sharpens, hones and strops straight-edged or serrated blades. Patented springs hold knives in angled slots for accurate control. First two stages sharpen and hone using 100% diamond-coated abrasive disks. Final stage uses flexible stropping disks for a finished polish. Sharpens knives to a 15deg. angle. Offers a blade setting stage.