<p>This is a simple knife sharpener that produces fast results.</p> <p>Carbonitriding is an industrial process which forms a very hard, highly wear-resistant surface on steel.</p> <br> <strong>How To Use</strong> <p>To sharpen, hold the Sharpener against a table surface right-side up and pull the blade through the steel discs with your other hand, using medium pressure. You’ll quickly feel the cutters biting into the blade and sharpening it.</p> <strong>Additional Details:</strong> <ul> <li>Our sharpener works equally well for sharpening a fixed blade knife, a folding pocketknife, or a kitchen knife</li> <li>The handle is made from Bubinga, a hard durable wood</li> <li>Overall length is 7-3/4" while the handle measures 4-1/2"</li> <li>Does a good job of removing burrs</li> <li>Fits in the hand perfectly, and is very stable on a hard surface</li> <li>Bring knives back to a razor-sharp condition</li> </ul>