The open clamp attachment allows quick and easy connection to the pole. Will connect to 19- and 32-mm diameter poles. The brass male 5/8 x 11 captive stud is easily removed for direct attachment of the radio antenna to the bar. The bracket comes with a non-slip Velcro Cable Strap (#8124-012) to help manage the radio cable.

 

It can be used with the SECO Radio Antenna Adapter (#2133-00) which adapts 1-1/8 x 18 radio antennas to any 5/8 x 11 threaded tip.