Shurhold - 6-½" Brush f/Dual Action Polisher - Soft - 3207Shurhold 6 " Brush f Dual Action Polisher Soft 3207 These scrub brushes transform your original Dual Action Polisher into a powered cleaning machine! You can use these brushes to restore non skid, eliminate heavy stains, and remove growth. Available in three different bristles strengths. Dual Action Polisher Scrub Brush. Turn your Shurhold Polisher into an aggressive power scrubber. Great for working on all types of surfaces and projects. Size 6 1 2"