The RAM-D-111U-E consists of a 3.68" diameter round base, LONG length double socket arm and 11" x 3" rectangular plate. The round base contains pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. The rectangle plate 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.

The 11" x 3" rectangle base is a universal mounting bracket with a selection of mounting hole locations. Additional holes may need to be drilled for proper fit with your electronic device