The RAM-111U-D consists of a 2.5" diameter round base that contains the universal AMPs hole pattern, LONG LENGTH double socket arm and 6.25" x 2" rectangle base. The rectangle 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.
The RAM-111U-D is Compatible With: Garmin Fishfinders and GPS Chartplotters Humminbird Fishfinders and GPS Chartplotters Lowrance Fishfinders and GPS Chartplotters Raymarine Fishfinders and GPS Chartplotters