Quickly and easily sharpen virtually all quality cutlery including American, European or Asian style household knives with the multi-stage Chef'sChoice AngleSelect electric knife sharpener by EdgeCraft. sharpen and hone fine edge or serrated blades on virtually any type of knife restore and recreate a 15 angle on your Asian style knives and a 20 angle on your European and American style cutlery 100% diamond abrasives and patented flexible stropping/polishing discs create a gothic arch edge for incredible sharpness and durability Electric knife sharpener is constructed of plastic/steel/copper/zinc/diamond. Wipe clean. Engineered and assembled in the USA.