Extra-strong 2-1/2-in. magnet for high-frequency antennas; Steel magnet housing; Gold-plated contact pin for high frequencies; Solid brass NMO mount with fully enclosed, fully shielded, high-frequency gold-plated solid-brass housing; 12 ft. RG-58/U low-loss precision communication RF coax, bare copper braid 95%, solid insulation, and solid bare copper center conductor; Preinstalled precision PL-259 UHF male connector ; Black;