RAM 1" Ball Mount w/ 2/2.5" Round Base (RAM-B-101U) Product Line_GDS Designed into the mount is

Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm

This is the same size thread features on the underside of cameras and video cameras

The RAM-B-102U-A consists of a short double socket arm and two diamond bases

Reduces shock and vibration

RAM 1" Ball Mount w/ 2/2.5" Round Base (RAM-B-101U) Product Line_GDS Designed into the mount isThe RAM B 101U consists of a Medium Length B size 1" double socket arm and two 2. 5" diameter round plates that contain the universal AMPS hole pattern. The mount is designed with a patented rubber ball and socket system that dampens shock and vibration, and allows for almost infinite adjustment to achieve the perfect viewing angle. The AMPs hole pattern found on the round plate will connect to many RAM products. Specs & Features Overall Length: 2.