UngSung 3/8” x 24 Stud CB Antenna Mount to SO-239 Adapter fit 1/2” or 5/8” Hole by Heavy Chrome-Plated Brass for CB Ham Radio Antenna

Standard Thread 3/8 x 24 Antenna Stud with SO-239 Coax connector. Antenna mount Stud and Connector hardware made by heavy -duty Chrome-plated Brass.

SM-0 - SO-239 to 3/8 x 24 Thread Stud Antenna Mount Adapter

Surecom S216 3/8'-24 to SO239 Heavy Duty Stud Antenna Mount Adapter Adaptor For Any 1/2 Hole - AliExpress

Heavy Duty CB Antenna Stud Mount Adapter Copper Nickel Plated with SO-239 Connector for Mounting 3/8 x 24 Threads CB Ham Radio Antennas

3/8 x 24 Stud CB Antenna Mount to SO-239 Adapter fit 1/2 Hole by Heavy Chrome-Plated Brass for CB Ham Radio Antenna - AliExpress

HYS SO-239 Stud Mount for CB and Ham Radio Antennas, CB Radio Antenna Adapter for 3/8-24 Threads Mount, Easy CB SO239 Stud Mount for Any 1/2 Hole : Electronics

Standard Thread 3/8 x 24 Antenna Stud with SO-239 Coax connector. Antenna mount Stud and Connector hardware made by heavy -duty Chrome-plated Brass.

UngSung 3/8” x 24 Stud CB Antenna Mount to SO-239 Adapter fit 1/2” or 5/8” Hole by Heavy Chrome-Plated Brass for CB Ham Radio Antenna

SM-0 - SO-239 to 3/8 x 24 Thread Stud Antenna Mount Adapter

Heavy Duty SO-239 Stud Mount for CB Radio Antenna Standard 3/8 x 24 Threaded Antenna Stud Mount Adapter CB SO239 Stud Mount for Any 1/2 Hole : Electronics