USC 14010, All Metal, Polyester Aluminum, .8 Gallon All-Metal Polyester Aluminum Filler is a specialty body filler that is the world’s first aluminum-filled automotive compound. It’s easy to spread and use. All-Metal repairs metal with metal and has the workability of premium body fillers. Ideal for restoration work and classic car repairs. Excellent adhesion. All-Metal can be drilled or tapped and is waterproof. All Metal can be used up to a 1/4″ thick.