Chimney Mount: 9" Stack Strap Kit TV antenna and satellite chimney mount for a mast up to 5' and an antenna up to 3' or a dish up to 2.' Mounts in less than 10 minutes vs over an hour for traditional mounts. 1" angle makes for the strongest bracket available. Ratchets hold the 16' strap more secure than traditional crimp connectors. V-bolts for any 1" to 2" mast ensures the mast will not turn. Includes easy to understand printed instructions. Over 200,000 units sold since 2003 and a 100% Money Back Guarantee. If youre not happy with the Stack Strap Chimney Mount for any reason return it for 100% of your money back!