Knife Sharpener, Grit Type Fine, Number of Stages 3, Application Sharpens Serrated Knives, Sharpens Straight Edge Knives, Depth 4 in, Features Powerful High Speed Motor and Precision Guides, Ultra-Fine Stropping Stage, Knife Style Sharpened All Types of Knives, Overall Height 4 in, Overall Width 10 in, Product Type Electric Knife Sharpener, NSF Certified Yes