Dual Action Polisher Scrub Brushes – Power Through Tough Cleaning Transform your original Shurhold Dual Action Polisher (#3100) into a high-powered cleaning machine with these purpose-built scrub brushes. Perfect for removing stains, lifting growth, and restoring non-skid surfaces, each brush is designed for a specific task and attaches easily via a 5/16"-24 threaded post. Choose Your Bristle Strength: Stiff (White): Ideal for teak and heavily stained surfaces Medium (Yellow): Great for carpets and medium-duty scrubbing Soft (Yellow Flagged): Gentle enough for general cleaning and even waxing non-skid Usage Notes: Do not use above Speed Setting #3 Polisher sold separately Avoid exposing the polisher to water during use Brushes sold individually Made in the USA Not compatible with the Dual Action Polisher Pro or Rotary Pro