3M Perfect-It Ultrafine Machine Polish is apremium compounding material for professional results. For use with appropriate 3M compounding pad.Cut, polish, wax and detail gelcoat surfaces in one easy step. Quickly remove scratches and oxidation to leave a pristine finish. Formulated to provide a longer wet time, extending product life and simplifying cleanup. For use on all non-silicone-sensitive gelcoat surfaces.