The Aerpro CBBB4 Stainless Steel Universal Bullbar Mount UHF Antenna Bracket has been designed to mount on any bullbar with a diameter of up to 55mm. This mounting bracket has a right angle plate and comes supplied with two 55mm U shaped clamps and is designed to position the antenna in a vertical position. The antenna mounting position on the bracket must remain horizontal for secure fitment. This mounting solution is ideal for vehicles with bullbars that require installation of a UHF CB antenna. Made from corrosion resistant 3mm thick 304 grade stainless steel, this high quality bracket which will withstand the harsh on-road and off-road driving environments. The Aerpro CBBB4 has a 16.5mm opening for the antenna to mount, making it suitable for use with all brands of UHF CB Antennas in Australia and New Zealand that have a 16mm mounting thread. It can also be mounted anywhere along a bullbar giving you more options if other accessories such as light bars are fitted. All mounting hardware is included.