Features: 1. Compatible Models: Designed for screws with a minimum diameter of 0.448 inch and a maximum diameter of 0.465 inch. Suitable for LED whip antennas, fiberglass CB antennas, center-load antennas, whip lights, and similar applications. 2. High Strength and Durability: Constructed from high-quality, high-strength carbon steel. Resistant to shock and deformation. Features a thickened black powder coating, stainless steel nuts and washers, and is waterproof and dustproof. Rust-resistant with a smooth, easy-to-clean surface. 3. Flexible Protection: Spring structure design helps protect antennas or whip lights from impact caused by low branches, tunnels, eaves, or strong winds. Flexes to disperse concentrated force, enhancing durability on rough terrain. 4. Wide Vehicle Compatibility: Fits most vehicles with a 0.47-inch mounting hole (M12 x 30 thread) at the base, including UTVs, ATVs, trucks, Can-Am vehicles, go-karts, golf carts, dune buggies, sand rails, ambulances, and pilot cars. (Please verify dimensions before purchase.) Color: Black Material: Carbon Steel Package Contents: 1 x Antenna Spring Mount Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.