Wadoy SS-3H CB Antenna Spring Mount, Stainless Steel Antenna Spring Heavy Duty Antenna Spring to fit Mobile/in-Vehicle CB Radio Antenna Mount up to 60" Long and 3/8" - 24 Threads（Pack of 2）

Wadoy SS-3H CB Antenna Spring Mount Heavy Duty Stainless Steel CB Springs (2PCS) fit Mobile/in-Vehicle CB Radio Antenna Mount up to 60" Long and 3/8", 24 Threads - 305311SS

FIRESTIK K-4A CB RADIO ANTENNA HEAVY DUTY SO-239 STUD MOUNT (BULK)

Prostick 2` Foot Fiberglass 1000 Watt - White CB Radio Antenna