Wheel Brushes filled with crimped wire are used for the purpose of obtaining different surface finishes. The removal of rust, paint & dirt, for roughening, de-burring. stripping or polishing. A decisive factor for choosing the most suitable brush is the wire & tube diameter. Brushes with a larger tube diameter are filled with more wire, & are more aggressive & have a longer life. Diameter. 80 mm. Width. 18-20 mm. Bore. 10 mm. Wire Gauge. 0.20. Wire Type. Steel Crimped. Max RPM: 10000.