Clenzoil Field & Range? is a high quality one-step cleaner, lubricant, and rust preventative for Lock, Stock, and Barrel?. It is effective in removing oils, dirt, copper, lead, and other contaminants. It provides a thin, non-greasy coating that prevents rust, and lubricates all moving parts of fine firearms and sporting equipment. Clenzoil(R) also nourishes, preserves, and protects wood and leather. It will not harm polymers or other synthetic surfaces. Clenzoil(R) is great for wood stocks and grips, as well as leather holsters, scabbards, and slings. Not recommended for painted surfaces.