Safety Chain-1/16'' Dis X 18'' BlackW/ 1/4'' Hook 39250-36BA steel cable that has a clip on one end and a loop on the other. It is intended to be threaded around a piece of hanging equipment and around a support structure, such as a pipe or a batten, and then clipped to it's loop. It then acts as a safety support should the primary support for the equipment fail. Finish is black.