3 Medium Duty Stainless Steel Antenna Spring

irestik CB Antenna Mount: Every antenna should have a spring. Springs protect the antenna, mount and vehicle. These springs are made from long lasting, top grade electro-polished stainless steel. The upper and lower inserts are made of chrome-plated machine brass and have standard 3/8"-24 threads to fit all standard 3/8" antennas, mounts and accessories. The medium duty model works especially well with Firestik's 2ft "KW" & "FS" series antennas as well as the 3ft "FL" or "RP" antennas. Physically, each spring is about 3.0" (76mm) tall with a diameter of 0.800" (20mm). Protect your antenna from snapping and/or bending. Stainless steel construction. Recommended for antennas up to 3'. Standard 3/8" x 24 thread antenna base.