Invented as a multi-purpose lubricant for military use, Ballistol will clean and protect your firearms, leathers, knives, tools, and cast-iron turkey toe candle holders. Will also dissolve black powder residue, loosen bolts, lube motor compartments, and grease that squeaky wheel. Protects against rust. Environmentally safe, biodegradable. Four 6 oz. spray cans per package. Made in USA.