ToolCook Knife Sharpener Professional 3-Stage Sharpening System Sharpens Both Steel and Ceramic Knives in All Sizes SHARPENS ALL KNIFE SIZES - From a paring knife to a carving knife plus most Hunting, Army, Pocket & Garden knives. (Please note: Not suitable for serrated knives). THE ToolCook KNIFE SHARPENER FOR KNIVES with a diamond coated wheel will often get your knives feeling as sharp as new! SUPER EASY TO USE and you can sharpen your entire set of knives in a matter of a few minutes. 3 STAGE SHARPENING SYSTEM : Instant correct sharpening angle when you place your knife. Ceramic Slot for ceramic knives. Coarse Slot for dull steel knives. HAND IS SAFELY AWAY: The handle of this sharpener is at the side so your hand is safely away from the moving blade during sharpening