The sharpening angle easily adjusts from 15° to 30° using a digital angle indicator to accurately and repeatedly set your sharpening angle. The 1” x 6” abrasives include a full assortment: 220, 320, 400, 600, and 800 grit diamond, a ceramic honing plate, and a leather strop that polishes your edge to mirror sharp. The abrasives are easily interchanged using a common handle, which includes a ceramic rod for honing serrations. The innovative V-Block Clamp™ quickly, securely, & repeatably secures your knife. The weighted base provides a safe and stable platform that allows rotating the knife without removing the knife or clamp. The included small knife table attachment allows you to sharpen small pen knives down to a 15° angle. 3-Year Warranty.