Securely attach your trampoline enclosure to your trampoline with the Machrus Upper Bounce Trampoline Enclosure Pole Connecter - 8 Pack. These U-shaped bolt connecters are compatible with any shape trampoline and enclosure poles measuring up to 1.5 inches in diameter and trampoline legs up to 1.75 inches. The eight-piece set is designed to be easy to install on a four-pole frame with two bolts per pole. Machrus Upper Bounce Trampoline Enclosure Pole Connecter - 8 Pack Silver - Trampolines at Academy Sports