Great tool to save your time! Simple & Easy to attach Enclosure Poles to Trampoline frame Compatible with Trampoline Enclosure poles measuring up to 1.5” diameter, and trampoline legs measuring up to 1.75" diameter Set Includes: High Quality 16 Enclosure Pole Connecter Set of 16- can be used for a Frame with 8 poles, 2 U-bolts for each pole Excellent Customer Service: We are always here to help you out. We take pride in the excellence of our products and our customer service. We offer warranty program to our customers in case our products fail to live up to their needs and expectations.