AV DIRECT tries to explore the best automotive tools for everyone. Introducing SS-3H CB Antenna Spring Mount which is crafted from electro-polished stainless steel, this heavy-duty antenna spring is designed for durability and flexibility. Perfect for mobile and in-vehicle CB radio antenna mounts, it accommodates antennas up to large with standard 3/8" x 24 threads, making it ideal for off-road vehicles, vans, trucks, RVs, motorhomes, and boats. This antenna spring mount offers exceptional stability and flexibility, bending without losing shape even when hit or shaken. The rust-resistant finish ensures long-lasting performance, outperforming regular stainless steel and chrome plating. Easy to install, the spring fits most off-road vehicles, including ATVs, UTVs, and Jeeps, and is suitable for both CB and amateur radio antennas. Its chrome-plated machine brass inserts reduce vibrations and shocks, enhancing signal transmission and reception quality. Features: Chrome-plated machine brass for upper and lower inserts Made from Top Grade Electro-Polished Stainless Steel Standard 3/8 x 24 Threads Fit All CB Antennas Mounts and Accessories Used with Antennas Up to 5' Making it ideal for off-road vehicles improved signal transmission and reception quality. provides flexibility and durable CB antenna mount fits Mobile/in-vehicle