RAM 2.5" Round Base AMPs Hole Pattern, 1.5" Ball & 1/4-20 Threaded Male Post for Cameras
The RAM-202AU consists of 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.