Versatile sharpener for superbly sharp and durable edges on all 15 and 20 degree class knives. 3-stages, 100% diamond abrasives and precision angle guides. Chef'sChoice 1520 AngleSelect Diamond Hone Electric Knife Sharpener for 15 and 20-Degree Knives 100-Percent Chef'sChoice sharpeners world renowned and the choice of leading chefs worldwide, the Model 1520 sharpener is the . Chef'sChoice 1520 AngleSelect Diamond Hone Professional Electric Knife Sharpener for 15 & 20degree Knives Fine Edge Chef'sChoice sharpeners world renowned and the choice of leading chefs worldwide, the Model 1520 sharpener is . Find great deals for Chef's Choice 1520 Black Electric Diamond Hone Angle Select Knife Sharpener. Shop with confidence on eBay! A review of the chef's choices electric knife sharpener. This is our favorite, and the most versatile knife sharpener for 2017. The Model 1520 is the world's most versatile sharpener. Designed to sharpen Asian, European and American style knives, you can restore and recreate both a 15 degree angle on your Asian style knives and a 20 degree angle on your . Exclusive to Williams Sonoma, this versatile sharpener sets a razor-sharp edge on any knife, including santoku, straight-edged, serrated I want to keep these knives as sharp as possible and Lo and behold, I found the Chef's Choice 1520.