Woodcraft Item #839294. The Pro Edge Plus from Robert Sorby represents the ultimate in sharpening for all of your woodworking, carving, and woodturning tools. The system eliminates all of the guess work by providing a consistent grind time after time. The patented angle setter ensures that the same angle is achieved every time. It incorporates a pre-set location of all of the most popular bevel angles 90°, 80°, 60°, 45°, 35°, 30°, 25°, 20° and 15°. Sharpening is carried out by means of a series of abrasive belts which are available in various grits depending on your sharpening needs. The Pro Edge Plus Sharpening System comes with three abrasive belts (60g zirconium, 120g and 240g aluminum oxide), skew jig, standard gouge jig, and a fingernail profiling jig.