The Chef'sChoice Pronto Diamond Hone Manual Knife Sharpener is a great sharpener to have in your kitchen. It is the fastest 2 stage manual sharpener on the market today. In seconds, it can put a razor-sharp, stronger, more durable arch-shaped edge on both straight edge and serrated knives. Its patented Criss-Cross technology uses 100% diamond abrasive wheels that simultaneously sharpen both sides of the knife edge for a superior burr-free edge with lots of bite. It's compact, easy to use and can be stored away in a drawer. It also features a soft handle for a more comfortable, secure grip. Made in the U.S.A.