This external deburr and chamfer tool is designed to repair damaged bolts, wheel studs, round stock, and bar. It effectively works on stainless steel, hardened steel, mild steel, copper, brass, hardwood, fibreglass, and hard plastic. The tool features five tungsten blades for clean cuts and a smooth surface finish. It is suitable for use with an electric drill at slower speed settings, with a maximum recommended speed of 150rpm. The size range it covers is from 13mm to 35mm, making it ideal for commercial vehicle workshops. It has a 9mm shank. A smaller sized tool (3-19mm) is also available.