Clenzoil® Field & Range 6 oz. Aerosol is a high quality, one-step cleaner, lubricant, protectant and rust inhibitor for Lock, Stock, and Barrel™. It effectively removes oils, copper, lead, and other contaminants. It provides a thin, non-greasy coating that prevents rust and lubricates all moving parts of firearms and sporting equipment. Clenzoil® will not harm polymers or other synthetic surfaces. Not recommended for painted surfaces.