Waring KS80 Knife Sharpener, Black and Brushed Stainless Simple-to-use electric knife sharpener keeps household knives in ideal working condition 2 grinding wheels (fine and course) and 1 stropping/polishing wheel that operates in reverse Grinds at optimum angle recommended by knife manufacturers (18 to 22 degrees) Magnetized, removable drawer captures metal shavings for easy cleanup Product Built to North American Electrical Standards