RAM Mounts C-Size Ball 2-Hole Pattern Base
The RAM-202U-12 contains a 1.5" C-sized diameter rubber ball connected to a rectangular plate with a 2-hole pattern of 1.5" center to center...
Ram Mounts Size C Ball 4-Hole Pattern Base
The RAM-202U-23 contains a 1.5" diameter rubber ball connected to a rectangular plate with a 4-hole pattern of 1.5" x 2.5" center to center...
Ram Mounts Size A Ball with 0.25" Camera Thread
The RAM-A-237U, universal camera and camcorder base, consists of a 0.56" diameter rubber ball, connected to a 1/4"-20 camera thread. The male thread...