1Heavy Duty Antenna Spring Mount: Made from heavy duty spring steel, this mount is waterproof, shockproof, rustproof, and sturdy to protect your whip light from damage. 2Durability Under Extreme Conditions: Tested to the limit of flexibility, this antenna spring mount can withstand high speeds, corners, and stress during highway or off road use. 3Versatile Compatibility: Compatible with LED whip, fiberglass CB antenna, center load antenna, 102in whip, and more for Trucks Car UTV ATV Truck Off Road applications. 4Sturdy Build for Protection: The rugged construction of the spring base ensures your equipment stays secure and protected in challenging environments. 5Easy Installation and Peace of Mind: This M12 screw and 5mm spring mount is easy to install and provides a reliable solution for your antenna support needs. 2 x Heavy Duty Antenna Spring Mount