The result of special partnership between Wusthof and Chef'sChoice, this electric three-stage sharpener is designed to maintain the unique edge angle of Wusthof's Precision Edge Technology (PEtec) blades. The cutting discs sharpen, hone and strop your Wusthof blades to keep each knife performing like new. Specially designed to maintain the edge of Wusthof's Precision Edge Technology (PEtec) non-serrated blades. Each of the three slots performs an essential step in the three-part process of maintaining a kitchen knife properly: sharpening, honing and stropping. First two stages sharpen and hone using 100% diamond-coated abrasive disks. Final stage uses flexible stropping disks for a finished polish.