RA Composite Polishing Kit RA Composite Polishing Kit Unique diamond-impregnated surface treatment system for contouring and high-gloss polishing of composites. Pink finisher ensures a very fast pre-polished surface. With the white polisher one will achieve a quick and easy high-shine. No dust, no smearing. Contains: x 6 Pink Fast Pre Polishers and x 6 White High Shine Polishers.