Wintersteiger Pro Sharp Race File GuideThis updated professional side edge sharpener gives very accurate bevels from 90 to 85 degrees. A large knob allows adjustment to one of the 6 possible positions without the need of a screwdriver. Innovative arrow pattern allows waste material to fall free of the base without damage and reduces friction. Accepts file, stones, and diamond stones up to 6 mm thick and comes with a 80 mm ICECUT file.