Make sure your swings have durable chains and hooks as the love of swinging never escapes you. The Short Link Galvanized Steel Swing Chain (No. 4/0) and S-Hook are an ideal answer for playgrounds. To order chain: enter number of feet desired into quantity box. Please specify length chains should be cut into. No. 4/0. Enter number of feet desired into quantity box. Please specify length the pieces need to be cut into.