The Ultra Play Tri Pod swings are manufactured for playgrounds dedicated to all age groups including adults. The heavy duty top rails and vertical supports are designed for maximum use in all environments. This swing set features galvanized iron pipe with top rail and vertical supports joined by powder coated yoke fittings. The swings are 500 B belt seats which are suspended from swing hangers with oiless bronze bearings. Zinc plated 'S' hook and 40 welded chain. For each outer end of swing set, the top rail and three vertical supports are joined by formed iron pipe fittings which come in either powder coated blue or green after fabrication. To order this swing set with blue powder coating, click here. To see similar swing sets click here . Warning Never install playground equipment over paved surfaces such as concrete or asphalt. All playground equipment must be installed over a soft, resilient surface in case of accidental falls. There should be regularly scheduled m