Loading... Please wait...Thick roof hole-mount antenna for car. 6'' stainless steel whip with brass base. Requires 3/4" or 3/8'' hole. Includes 8' of coaxial cable terminated with BNC type connector. For use with radios operating between 450-470 MHz. Be sure to order correct radio adapter to allow connection to your portable radio. Fits roofs up to 1/2'' thick.