Lessmann LES41012307 DIY Wheel Brush 50 x 10mm 0.30 Steel Wire The Lessmann DIY Wheel Brushes are fitted with a 6mm shank and are generally used for the removal of rust paint or dirt and for roughening de-burring stripping or polishing. Available in Steel or Brass. The Lessmann DIY Wheel Brush has the following specification: Wire Type: Steel Diameter: 50mm Width: 8-10mm Wire Gauge: 0.30 Shank: 6mm Max Speed: 4,500/rpm