This all metal key chain is shaped like an actual piston and connecting rod. The bright chrome plated piston articuates on the connecting rod like the real thing. The piston head features the Ford Mustang Pony under heavy duty epoxy. It features all metal construction, bright chrome plated articulating piston head on a connecting rod, and heavy duty epoxy dome covered art. It measures two and a half inches long. This keychain is great for holding all of your keys. Includes key chain and key ring.