RAM Mount Marine Electronics Universal Mount - Gimbal Bracket Under 10lbs. [RAM-111U]RAM 1. 5" Diameter Ball Mount with 6. 25" X 2" Rectangle Base, STANDARD LENGTH Double Socket Arm & 2. 5" Round Base The RAM 111U, powder coated marine grade aluminum mount, consists of a double socket arm mount, one 2. 5" diameter round base with 1. 5" rubber ball and flat 6. 25" x 2" rectangular plate. The plate contains different combinations of pre drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB