RAP-B-200-2U RAM ADJUSTABLE SOCKET W-OCT SOCKETS
The RAP-B-200-2U consists of double 1" diameter open ball sockets with a 360° rotation point at the center and a connecting swivel joint that rotates forward and back 180°. The rubber ball and socket at either end, and a central pivot point provides unsurpassed adjustability. The RAM ball sockets maximize ball coverage for optimal fit.
Overall Length: 6.25"
Socket-To-Socket Length: 5.5" - See more at: http://www.rammount.com/part/RAP-B-200-2U#sthash.g3w0WdDt.dpuf