This professional, electric knife sharpener safely & quickly gives kitchen, sports & pocket knives an incredibly sharp, longer-lasting edge with no guesswork. Revolutionary 3-Stage process, 100% diamond abrasives & fool-proof Bi Level magnetic guides create razor-sharp Trizor edges. Sharpens the entire edge of kitchen, fishing, hunting & pocket-knives. Safe for quality knives. Acclaimed worldwide by serious cooks & renowned chefs.