The Cold Steel Benchtop Knife 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 astable pedestal for benchtop sharpening. A hard-shellcarrying case is included. FeaturesIncludes 4 diamond sharpening grits: 300, 600, 800, and 1000Weighted feet to non-slide around while finding that perfect edgeRotates 180-degree for sharping both edges without removing the knife