The Professional Precision Adjust Elite is a complete angle adjustable knife sharpening system using metal construction, a digital angle indicator and ten abrasives to bring rigidity, repeatability, and precision to your knife sharpening. The sharpening angle adjusts from 15° to 30° using a digital angle indicator to accurately and repeatably set your sharpening angle. The 1” x 6” abrasives include: 220, 320, 400, 600, and 800 grit diamond, a ceramic honing plate, 1200, 2000, and 3000 resin bonded diamond, and a premium leather strop that polishes your edge to mirror sharp.