Professional 3-In-1 Ceramic Knife Sharpener Sharpen all of your scissors and knives at home to a professional standard, with this easy-to-use, 3-in-1 professional sharpener. As simple to use as slicing bread, simply select the appropriate slot, and draw the knife blade through the ceramic wheels to return your knives to their original pristine razor-sharp condition. The first slot is designed for sharpening specialty knives, such as single-sided Japanese sushi knives. The second slot is for sharpening all scissors and shears. And the third slot, with the unique feature of two ceramic wheels in one slot, is for sharpening knives with blades on both sides. Durable, compact and a doddle to use, this new knife sharpener is made to last and will meet all of your sharpening requirements for years to come.