The Aerpro CBBB45 Stainless Steel 45mm Wrap-Around Bullbar Mount UHF Antenna Bracket has been designed to mount on any bullbar with a diameter of 45mm. The wrap-around design offers the most secure mounting bracket solution for UHF antennas on bullbars, making it suitable for all types of UHF antennas including heavy duty models. Made from corrosion resistant 2.8mm thick 304 grade stainless steel, this high quality bracket will withstand the harsh on-road and off-road driving environments. The Aerpro CBBB45 has a 16.4mm 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 or less 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.