Shurhold DAP Scrub BrushDual Action Polisher Scrub Brush. Turn your Shurhold Polisher into an aggressive power scrubber. Great for working on all types of surfaces and projects. Stiff (White) for teak and heavily stained areas.; Medium (Yellow) for medium duty cleaning and scrubbing. Works well on carpets.; Soft (Yellow Flagged) for general duty cleaning and scrubbing. Also great for waxing non-skid.; All brushes are designed to easily fit Shurhold's Dual Action Polisher.Brushes sold individually.Instructions: Attach by using DAP wrench and screwing brush firmly into the unit.** Do not use brushes beyond SPEED # 3 ** Do not get Dual Action Polisher wet. ** POLISHER SOLD SEPARATELY