PROFESSIONAL KNIFE SHARPENING SYSTEM: A professional-level knife sharpener with metal construction that can be used for all knives at angles as low as 15 degrees and can even be used on small pen knives. INCLUDES 7 ABRASIVES: The seven abrasive grits: 220, 320, 400, 600, and 800 diamond, fine ceramic, and leather strop allow you to cater to what your knives or tools need and what will suit them best. ADJUSTABLE SHARPENING ANGLES: The included digital angle indicator allows you to adjust the sharpener's angle from 15 to 30 degrees. This allows you to provide a clean sharpen to your knife or tool. 3-YEAR WARRANTY: All Work Sharp sharpeners come with a comprehensive 3-year warranty. Each knife & tool sharpener is meticulously designed and quality-checked at our Oregon facility. We proudly stand behind our products. DESIGNED, ENGINEERED, & CALIBRATED IN OREGON: We design, engineer, and calibrate our sharpening machines all under one roof in Ashland, Oregon & ensure our products are sourced from the highest caliber manufacturers, both in the USA and globally. The Work Sharp 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 seven individual abrasives all measure 1” x 6” and include 220, 320, 400, 600, and 800 grit diamond plates to quickly sharpen your edge, a ceramic plate that hones to an incredibly keen edge on any knife, and a leather strop that refines and polishes your knife to a scary sharp edge. The abrasives are easily interchanged using a common handle for repeatability. The ceramic rod on the abrasive handle hones serrations back to sharp as new condition. The innovative V-Block Clamp quickly, securely, & repeatably secures your knife. The included base provides a safe and stable platform that tilts back to allow rotating an 8” knife without removing the knife or clamp. The included small knife table attachment will enable you to sharpen small pen knives down to a 15° angle. Includes a 3-Year Warranty.