The Chef'sChoice Electric Knife Sharpener is the only knife sharpener you will ever need. It comes with 100% diamond abrasives and flexible stropping/polishing discs that provide astonishingly sharp and durable on virtually all quality knives, including household knives, fine edge or serrated blades, Santoku and other single bevel edges (including Deba), and pocket knives. Engineered and assembled in the U.S.A., this compact knife sharpener is easy to use, with an ergonomic design for a firm grip. A built-in motor powers the 300W electric motor that is able to sharpen any size blade from small pocket knives to kitchen cleavers with ease.