A Complete 3-Stage Sharpening Device: With diamond, tungsten steel, and ceramic rods for fixing, coarse sharpening, and honing, the Kitchen Sharpener will take care of your blades in every way. Safety Always Matters: Knife Sharpener features a comfort handle for maximum grip, suitable for both right and left-handed users. Heavy duty non-slip rubber base for ultimate stability & safety. For Use On: straight edged steel kitchen knives and wide serrated knives (bread knives), including knives with hardened steel blades. What can you get: The fine ceramic tank is used for honing, finishing, polishing and grinding, and the non-slip design safely and effectively protects you and your family. Do not use excessive force and pull back and forth.