2 plastic bushing swing hangers, used to mount swing accessories to the beam. Heavy-duty construction with plastic bushing for quiet, friction-free action. Plated. Kit includes: 2 nylon bushing swing hangers, 4 beam clamps, 2 lock nuts. ASTM certified. For wood swing set. This hanger is designed for 6" thick nominal lumber. Caution: Do not use lag style swing hangers that do not require a loc nut on top.