Features:This is the first brush for use with all hydrocarbon based waxes as the horsehair bristles offer the right mix of rigidity and flex for cleaning out a wide range of wax hardnesses.Save precious time by using roto brushes when waxing your alpine skis and snowboards.Do not push down when roto brushing: Use the weight of the roto brush assembly and drill to do the work for you.Specs:Red Body/Horsehair BristlesRoto Brush: 3 x 3 x 4 inches: 100 mm brush length