HYS Heavy Duty SO-239 Stud Mount - Universal Stainless Steel CB/Ham Radio Adapter with 3/8-24 Threads（UNF）, Easy 1/2" Hole Installation, Waterproof Design for Truck RV Boat

Fits any 1/2" hole and comes with 3/8-24 threads for easy installation and mounting Durable and dependable cb radio antenna adapter for secure and long-lasting use Installing the HYS SO-239 (UHF FMMALE) Stud Mount is both quick and easy. This cb radio antenna adapter is designed to fit any 1/2" hole

$13.99