The Jensen 3/16-inch Trivalent Coated Swing Chain is a low-cost solution for maximum safety with your playground swing set. These specific chains are designed to easily connect with single and double clevis shackles, while providing the best support for commercial-grade HDPE plastic swing seats with a tensile strength of 3900 lobs. This product is sold by the foot at the posted price. Fashioned from high quality galvanized steel, these chains are built to last. Responsible playground owners should still maintain and check their steel chains at least one a year to prevent accidents. All products are tested for lead and phthalates.