Chef&rsquo;sChoice 1520 AngleSelect Diamond Hone Electric Knife Sharpener for 15 and 20-Degree Knives 100-Percent Diamond Abrasives Stropping Precision Guides Made in USA, 3-Stage, White VERSATILE sharpener engineered to apply incredibly sharp edges on all your Euro/American and Asian style knives 15-degree and 20-degree class knives DESIGNED to sharpen kitchen, sports, pocket and serrated knives EASY TO USE with advanced spring guide system that insures optimum control for effortless precision guided sharpening, allowing more accurate control of blades sharpening angle and eliminating all guesswork RESTORE AND RECREATE both a 15-degree angle on your Asian style knives and a 20-degree angle on your European and American style cutlery DIAMONDS 100-percent diamond abrasives to sharpen and hone PATENTED flexible stropping/polishing discs that create an edge recognized for incredible sharpness and durability 3-year limited warranty