Keep your Cuisine::pro iD3 Black Samurai knife in optimal condition with this specially designed knife sharpener. Using a combination of coarse diamond, tungsten steel and ceramic wheels, the sharpener shapes, sharpens and polishes knife blades in three easy steps. Simply place the sharpener on a flat surface and pull blades through the designated slot for each step. Ergonomically designed for a comfortable grip, the sharpener has rubber feet to keep the process safe and secure.