WORKMAN KA-52 HEAVY DUTY CARBON STEEL 4 inch ANTENNA BARREL SPRING

Heavy duty 3/8" UNF thread barrel spring for heavy HF whips designed for this type of mounting. Acts as a shock absorber when aerial is impacted by trees Etc. Whip antennas should have a spring. Springs protect the antenna, mount and vehicle. These springs are made from long lasting, top grade electro-polished stainless steel. while the upper and lower inserts are made of chrome-plated machine brass and have standard 3/8"-24 threads to fit all Whip antennas, mounts and accessories.