RoadPro RP-315 3-Way Double Groove CB Radio Antenna Mirror Mount w/ SO-239 Stud
Double Groove Style 3-Way (Vertical-Horizontal-Mount to Flat Surface) Aluminum Mirror Mount Use with 3/8x24 threaded style antennas Has SO-239 Connector to accept Coaxial cables with PL-259 Connectors RoadPro Model RP-315.