Collinite #850 Metal Wax. Medium cut polish. Use to bring faded, rusted and tarnished metals back to life. Removes stubborn discoloration, mild rust, oxidation and blemishes. Wipes off to reveal high luster shine and coating that guards against future rust, stains and weathering. For hand use only. Not for use on metal surfaces in like-new condition or anodized aluminum. Provides 2-3 months of weather protection. One bottle covers about 200-400 sq ft. Contains neither strong acid, nor harsh alkali. 16 fl. oz.