The RAM-VB-109-5U consists of a 6" long single swing arm and 2.5" round base that contains the universal AMPs hole pattern.
Swing Arm Length:
6"
Material:
Powder Coated Marine Grade Aluminum
Ball Size:
1.5" Rubber Ball Size
Note:
The "U" in the part number reflects product packaged in poly bag.
C size 1.5" (Holds up to 4 lbs)
Powder Coated Marine Grade Aluminum
Base With Arm
Packaged in Poly Bag