The Accusharp Pull-Through Knife Sharpener is great for sharpening and maintaining your blades. This commercial grade knife sharpener combines the award winning technology and proven reliability of the Accusharp diamond-honed tungsten carbide sharpening blades and ceramic rods. The heavy-duty, ergonomically-designed handle with the rubber over-molded grip provides a stable and comfortable platform for sharpening your knives. It has two-stage coarse diamond honed tungsten carbide blades and fine ceramic rods for sharpening and honing. The carbide blades are reversible for extended life.