The RAM-SG-D-111U consists of a 3.68" diameter round base, STANDARD LENGTH double socket arm, 11" x 3" rectangular base, RAM mixed combination Pin-Lock security nut/knob and key knob for Gimbal Brackets. The round base contains pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. The rectangle base contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts. Overall Height: 11.125" Weight Capacity: Up to 6 lbs. Plate Hole Patterns More information: Technical details | Product colour | Black |  | Ball diameter | 57 mm | | Maximum weight capacity | 2.72 kg | | Material | Aluminium, Thermally Stable Composite (TSC) | | Compatibility | Marine Electronic |
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