Shurhold Dual Action Polisher Scrubber Pads Dual Action Polisher Scrubber Pads. Turn your Shurhold Polisher into an aggressive power scrubber. Great for working on all types of surfaces and projects. Fine White for delicate surfaces. Medium Blue for medium duty cleaning and scrubbing. Coarse Brown for stripping and paint prep. These pads are also great for teak work. Fine grade white scrub pads are suited for light cleaning of teak, non-skid decks and other surfaces. Medium grade blue pads are b