Opek AM-601S 3 Swivel Ball Mount w/ SO-239 Connection, 3/8x24 TYPE FOR ALL CB ANTENNAS : Sports & Outdoors

Heavy duty ball mount with potbelly spring Works with any antenna with 3/8 bolt Ball will swivel to allow you to mount the antenna on a vertical,

ProComm JBC986 Heavy-Duty 3-Inch Ball-Mount with Barrel Spring

Firestik K-4A Heavy Duty SO-239 Stud MountThe FireStik CB Antenna Stud Mount is one of our bestsellers, and currently recommended for all general CB

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

OPEK Antenna Mounting Bracket With UHF SO-239 Bulkhead Connector AM -403-0518A

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

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

Ball Mounts - Antenna Mounts - Antennas & Mounts

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

Firestik K-4A Heavy Duty SO-239 Stud MountThe FireStik CB Antenna Stud Mount is one of our bestsellers, and currently recommended for all general CB

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

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

Pro Trucker Ball Mount (SO-239 ) W/Swivel For Antenna

General Purpose Swivel Joints - 3000 Series

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

CB Antenna stud mount 910H Heavy Duty Stud with SO-239 Connection

Walcott Radio 910H