This professional, electric knife sharpener from Chef's Choice safely and quickly gives kitchen, sports and pocket knives an incredibly sharp, longer-lasting edge with no guesswork. Patented three-stage process, 100 percent diamond abrasives and fool-proof BiLevel magnetic guides create razor-sharp edge. Sharpens the entire edge of kitchen, fishing, hunting and pocket-knives. Safe for high quality knives. Acclaimed worldwide by serious cooks and renowned chefs. Two-year limited warranty. Assembled in the U.S.A.