XCMAN Rotating Brush Set for Ski, Brush Handle with Axle and 3 Brushes: Nylon, Horsehair, Brass/CorkThe ski roto brush kit including 100mm (3. 4in) Soften Yellow Nylon Brush. A soft nylon brush used for polishing overlays and soft waxes,Yellow Nylon bristles: 10 mm length. 100mm (3. 4in) ski Horsehiar roto Brush: Used for brushing out hard and medium hard waxe. Horeshair bristles: 6 mm length. 100mm (3. 4in)ski Cork Roller. For applying high fluoro powders and quick glide finishes,Use with a standard drill and Rotobrush control handle. Set drill to