Galvanized-steel construction with 3-1/2" OD top beam, 2-3/8" OD support pipes, and 2-7/8" OD galvanized-steel yokes with a durable painted finish. Includes playground-coil chains and rubber belt-type seats with stainless steel inserts and corrosion-resistant fittings. Meets ASTM and CPSC guidelines. Assembly and in-ground installation required. Truck delivery.