This 57.25 .in stainless steel CB antenna with 500 Watt power handling also has a universal mounting application. It includes 18' RG-58A/U 95% shielded coax and the base rotates 30 for proper vertical polarization. Exclusive METLPLAS construction for superior performance and unique capacitor for consistent SWR across all 40 channels. A Special radiused tip to dissipate static no static ball to get knocked off. The antenna whip retracts 2.25 .in into the coil for easy tuning and the isolation chamber reduces static damping. Proudly made in the USA.