The Professional Precision Adjust is a complete angle adjustable knife sharpening system using metal construction, a digital angle indicator, and seven abrasive grits to bring rigidity, repeatability, and precision to your knife sharpening needs. The sharpening angle easily adjusts from 15 to 30 using a digital angle indicator to accurately and repeatably 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. Product Features Professional-level sharpener with metal construction Includes seven (7) abrasive grits: 220, 320, 400, 600, and 800 diamond, Fine Ceramic, Leather Strop Adjustable Angle from 15-30 degrees with included digital angle indicator. Small knife table attachment allows sharpening small pen knives to angles as low as 15 Abrasives are user replaceable Sharpens Kitchen Knives, Pocket Knives, Hunting Knives, and Outdoor Knives. 3 Year Warranty Product Specifications PRODUCT TYPE: Sharpener SHARPENING ANGLES: 15 to 30 Adjustable INCLUDED ABRASIVES: Ceramic, Coarse Diamond, Fine Diamond, Leather Strop, Medium DIamond ABRASIVE SIZE: 1"x6"