Applicability: Compatible with most vehicles, such as UTVs, ATVs, trucks, cars, etc. Suitable for installation of LED whip lights, fiberglass CB antennas, center load antennas, 102 "whip shaped objects, etc. Please confirm the dimensions before placing an order. | Function: The heavy-duty bucket spring mounting base can freely swing and bend, increasing flexibility and protecting your LED whip light and antenna from being broken. | Excellent Material: Made of heavy-duty 6mm spring steel, it has undergone precision processing and strict testing to ensure the durability and reliability of the product, as well as being waterproof and scratch resistant. | Easy to install: Simply align the hole on the top of the base with the bolt on the whip light or antenna, rotate and tighten it, then install the base on the vehicle or bracket and tighten it together with the accessories attached to the base. | Package Includes: Heavy-duty barrel spring mounting base * 1.