The RAM-109V-3U consists of a 6" long single swing arm, 2.5" diameter round base with universal AMPs hole pattern and vertical surface mounting base. There are two (2) pivoting points on the mount: one at the swing arm and base and one at the center of the round base. Each pivoting point allows a complete 360 degree rotation.
Dimensions: A. Center of knob to center of ball socket: 6" B. Overall height: 8.45"
Material: Powder Coated Marine Grade Aluminum
Note: The "U" in the part number reflects product packaged in poly bag.