Dull knives are a thing of the past! With this handy pull-through sharpener you can sharpen your kitchen knives in 3 simple stages. The diamond surface prepares the knife for sharpening, the tungsten steel restores the cutting edge into a V-shape and the ceramic stone polishes the blade and removes any irregularities. The sharpener's comfort-grip handle with non-slip base ensures extra stability. 3 stages: Diamond surface, Tungsten steel, Ceramic stone ABS Knife sharpener with ergonomic, comfort-grip handle. A non-slip base offers extra stability while sharpening 3 pull-through stages to prep, sharpen and final polish. Great for indoor and outdoor kitchens Hand wash with warm water, mild soap and nonabrasive sponge.