ChefsChoice Asian/European/American Knife Sharpener, 4623 : This multipurpose 3-stage ChefsChoice Asian/European/American knife sharpener provides an ultra-sharp edge on straight-edge and serrated knives, including sport knives. With a full one carat of 100% diamond abrasives and precise angle control, interdigitating diamond pads sharpen simultaneously "into" and "out of" the knife edge. These diamond-coated abrasive pads hold their shape indefinitely and sharpen any alloy. Stage 3 hones and polishes to a burr-free finish for a stronger, more durable edge. Soft-grip handle offers a secure grip. Exceptionally safe and easy to store, the Asian/European/American knife sharpener fits in a kitchen drawer. For right-hand and left-handed use.1-year limited manufacturer warranty. Made in the USA. Product Features More than one carat of diamond abrasives sharpens and hones Asian, European and American knives Creates an ultra-sharp edge on straight-edge and serrated knives, including sport knives With precise angle control, this sharpener utilizes interdigitating diamond pads to sharpen simultaneously "into" and "out of" the knife edge Diamond abrasive pads hold their shape indefinitely and will not load up, so no messy oil or water is needed Stage 3 hones to a premium burr-free finish With a comfortable sure-grip handle, this sharpener is exceptionally safe and easy to use Nonslip rubber feet keep sharpener secure when in use Compact size stores in a kitchen drawer Stainless-steel and molded thermoplastic