Side base for installing one UHF antenna.
This is for household UHF antennas under 20 elements
For masts with a length of less than 5 ft.
Adding side bases will improve the mounting strength, but the antenna can be installed. (Only one antenna with 20 elements or less)
For masts with diameters of 0.9 - 1.3 inches (22 - 32 mm), length of 5.9 ft (1.8