The Lessmann Wheel Brushes are filled with crimped wire and are used for obtaining different surface finishes. For the removal of rust, paint and dirt, for roughening, de-burring. Stripping or polishing. A decisive factor for choosing the most suitable brush is the wire and tube diameter. Brushes with a larger tube diameter are filled with more wire, are more aggressive and have a longer life. Some of the brushes are supplied with adaptor sets that allow easy mounting on all popular grinding machines. The adaptors have the following dimensions Set 1 30, 22.2, 20, 16 & 12mm, 1in & 1/2in. Set 2 40, 32, 22.2, 20, & 16mm, 1in & 1/2in. Set 3 50, 32, 22.2, 20, & 16mm, 1in & 1/2in. Set 4 Brushes With Metal Discs Bore 50.8 & Double Keyway 7x13 Plus Adaptor to Bore 30. Stainless Steel Wire Wheel Brush for heavier applications and where ordinary wire would contaminate the work piece. Size. Diameter. 200 mm. Width. 24 mm - 27 mm. Min/Max Bore 16/50mm. Wire Type. Stainless Steel.