16-inch pocket chain. Split key right at 1 end can attach to wallet keys or other back pocket item. Nickel finish flat-filed steel link chain won t pull apart under constant use. Supplied with 2 nickel-plated tempered steel split key rings. Overall length is 16 inches. WARNING: This product can expose you to chemicals such as Nickel which is known to the State of California to cause cancer andor birth defects or reproductive harm. For more information go to www.P65Warnings.ca.gov - Nickel (Metallic)