RAM-D 111U Mount with Double Socket Arm.
RAM-D 111U Mount... consists of a double socket arm, 3.68" diameter round base and 11" x 3" rectangular base. The round base contains pre-drilled holes, including two holes at 180° and three holes at 120 degrees. The rectangular base contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB radios, ham radios, Gimbal brackets and more. Note: The 11" x 3" rectangular base is a universal mounting bracket with a selection of mounting hole locations. In certain applications, additional holes may need to be drilled for proper fit with your electronic device.