Make sure you are cutting with the sharpest possible blades with the Smith's Adjustable Edge Pro Electric Knife Blade Sharpener 50281. This Blade Sharpener features Smith's interlocking wheel technology in both DIAMOND and CERAMIC abrasive materials, and an angle adjust dial that enables you to sharpen everything from thin kitchen knives to thicker hunting knives at the same angle as the original factory edge. Just set the angle, then pull your blade through the slots. Interlocking sharpening wheels deliver fast and precise sharpening of both sides of the knife blade EQUALLY at the same time. They eliminate the possibility of marring or damage to your blade, reduce the amount of time needed to sharpen your knife, and leave no burr on the cutting edge. The sharpness and quality of the cutting edge produced by these sharpening wheels are equal to, or in some cases, better than the blade's factory edge. The diamond and ceramic interlocking wheels used in the Smith's Adjustable Edge Pro Electric Blade Sharpener were designed to sharpen at multiple angles and to provide a Precision Machined Edge configuration. A Precision Machined Edge configuration offers the perfect combination of edge retention, performance, and sharpness. Other edge configurations are generally strong in just one of these characteristics. The interlocking wheels on the Smith's Adjustable Edge Pro Electric Knife Sharpening System will sharpen knives made of alloy, carbon, or stainless steel with a bevel on both sides of the blade. This includes outdoors sport knives (i.e. hunting/fishing/camping), kitchen knives, tactical knives, custom knives, or everyday pocket knives. The interlocking wheels are not designed to sharpen knives with a bevel on just one side of the blade, serrated blades, or blades made of ceramic material. Serrated blades must be sharpened using the manual sharpening slot on the side of the unit. This slot features specially-shaped, crossed ceramic stones that are designed to follow the contour of large or small serrations. The serrated blade sharpener folds into the housing of the unit when not in use. To ensure secure and stable sharpening on all flat surfaces, the Smith's Sharpeners Adjustable Edge Pro Electric Sharpener comes with non-slip rubber feet. It also has soft grip on the top of the unit for comfort while holding the unit in place. The easy to turn "angle adjust" dial on the top of the unit is oversized for ease of use and has clearly numbered angles printed on the surface of the dial. This Smith's Sharpener also recommends the most common angle to use for Kitchen knives and Sport knives. The Smith's Edge Pro Electric Sharpener is beautifully designed to fit in any environment.