The Benchtop Sharpener is angle adjustable from 15 to 30 degrees, and it comes with 4 diamond sharpening grits (300, 600, 800 & 1000). It can quickly restore a sharp edge to virtually every knife you own. It has an ambidextrous clamp with a non-marring grip and 180-degree rotation for sharpening two edges without removing the knife from the clamp. The base is weighted with non-slip feet providing a stable pedestal for benchtop sharpening. Includes a hard shell carrying case.