Universal Heavy Duty Center Load CB Antenna by Hustler Antennas. Trunk mount version of HQ-27 w/swivel ball- coax and connector. After 20 years of proven performance- the HQ remains one of the most popular CB antennas on the market. Hustler narrow coil design allow the antenna to disapear into the vehicle. Longest center loaded antenna moves the coil above the cab to achieve maximum radiation patterns. Features 27 MHz Frequency Computer designed for a narrow efficient coil 1/4 wavelength design Adjustable whip length for accurate tuning Chrome plated top and bottom fittings Stainless steel 17-7 ph whip Dissipation tip to eliminate static build up Solid stainless steel lower rod Used as a single antenna- co-phased for dual application or trunk mount with swivel ball more details Co-phased system consists of two heavy duty aluminum 3-way mirror mounts-18 foot co-phasing harness with three PL-259 connectors Mil-Spec Polyolefin white sheath Mates with 3/8 x 24 threaded mounts Designed to deliver superb functional performance Unique design to help you show off your individuality Superior quality and excellent performance