RAM 2.5" Round Base (AMPs Hole Pattern), 1.5" Ball & 1/4"-20 Threaded Male Post for Cameras
The RAM camera base contains a 1.5" rubber ball that is connected to a 2.5" diameter round base. Also, included is a 1/4"-20 threaded steel stud, centered, the round base provides support and stability for cameras that rest on top of it. The male 1/4"-20 threaded steel stud will connect to any standard female thread found on camcorders and digital cameras.
Powder Coated Marine Grade Aluminum
1.5" Rubber Ball Size
The "U" in the part number reflects product packaged in poly bag.