Optimum Metal Polish is a quick, easy to use metal polish that will remove swirls, oxidation, scratches, and other imperfections in your metal quickly and easily leaving you with a mirror finish. OPT Metal Polish leaves behind a polymer coating to protect your metal finish from future oxidation and tarnish. Use Optimum Metal Polish to get any of your metal surfaces back to looking new. OPT Metal Polish can be applied by hand or by machine.