Due to the popularity of the use of swings on playgrounds, it is important that all of the components of the swing are durable and of the highest quality. The Jensen 5/16-inch Zinc-Coated Swing Chain is a reliable choice of swing chain. The zinc coating of this chain provides a smooth finish. Any of Jensen’s S-hooks and shackles can be used with this chain. The chain links are 1 1/2 inches long and have an opening that is a 1/2 inch wide. This deters children from sticking their fingers in the links, preventing any injuries that could arise from that. In optimal conditions the chain should last up to 5 years, but regular maintenance checks are recommended to prevent injuries from damaged or worn parts. All Jensen products are tested for lead and phthalates, and the Jensen 5/16-inch Link Zinc-Coated Swing Chain has the tensile strength of 5000 lbs. Chain is sold by foot.