This swing has a simple design that has remained popular among new playground installations. The upright posts are 4.5 inch outside diameter and include seats, chains, and other equipment for set up. These swings come painted green but may be changed for an additional charge. Single post swings generally use less space than traditional swings. The dimensions are as follows: 4-1/2" legs, 2-3/8" top rail, 12' wide, 8' installed height.