With this handheld knife sharpener, you can quickly whip your knives into shape. It has a ceramic sharpening wheel to give your knifes a great sharp edge.Add water before sharpening to keep the knife cool and rinse the sharpening stones. Make sure to hand wash the knife after use to remove any metal particulates. There are 72 knife sharpeners per case, perfect for retailers to include in their kitchenware section.