Easy-to-use & ergonomically designed electric knife sharpener Automatically delivers professional razor sharp edged blades 2-stage sharpening system precision grinds & polishes blades One-year limited warranty Works with serrated knives except double-edged & electric serrated knives Is your kitchen knife letting you down with its bluntness & not quite keeping pace with your sharpened culinary skills Give it the professional treatment with the smart & easy-to-use Electric Knife Sharpener. This 2-stage sharpening system automatically delivers your knife blades with a razor sharp edge in seconds. All you have to do is pass the knife through each sharpening slot to sharpen. In the 1st stage of the sharpening process ultra-hard sharpening wheels precision-grind your knife as internal guides securely position it at the accurate angle to prevent any structural damage to the knife. In the 2nd stage the knife blade is polished to a razor sharp edge. Dont let blunt knifes prevent you from demonstrating your culinary expertise to friends & family bring home the Electric Knife Sharpener & banish blunt-edged knifes.