The RAM-330U consists of a 1.5" Diameter Ball, attached to a clamp base with hole for 1/2" NPT pipes.
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
Handlebar/Rail
Adapter
Packaged in Poly Bag