Heavy Duty CB Antenna Stud Mount Adapter with SO-239 Connector for

Heavy Duty CB Antenna Stud Mount Adapter with SO-239 Connector for Mounting 3/8 x 24 Threads CB HAM Radio Antenna - AliExpress

Comet AD-35M - Antenna Mount Adapter, UHF to 3/8-24 Threaded Hole for Whip

Firestik CB Antenna Mount - K-4A Heavy Duty SO-239 Stud Mount — CB Radio Supply

TPHD Chrome Antenna HD Stud with SO-239 Connector - Elite Truck Accessories

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

Heavy Duty CB Antenna Stud Mount Adapter Copper with SO-239 Connector for Mounting 3/8 x 24 Threads CB HAM Radio Antenna - AliExpress

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 : Electronics

ROJONE SAM2S HEAVY DUTY MOUNT WITH S0239 & PL259 PLUG & PLAY MOUNT - Radio Parts

CB AERIAL MOUNT 3/8 STUD FOR HF AND CB ANTENNA AERIALS HEAVY DUTY – Your local Electronics Shop

K4A - Firestik Antenna Stud Mount With SO239 Connector