RAM-B-149Z-237U RAM U-Bolt Double Ball Mount with 1/4"- Individual Mounts includes a device tether that

includes a device tether that is recommended for added security and peace of mind

5" diameter rubber

The connection between the swing arm and the base is

ball compatible STANDARD LENGTH double socket arm

(3) 5/16" Lock Washers

RAM-B-149Z-237U RAM U-Bolt Double Ball Mount with 1/4"- Individual Mounts includes a device tether thatThe RAM B 149Z 237U consists of a zinc coated u bolt base, double socket arm and 1" diameter rubber ball, connected to a 1 4" 20 camera thread. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob, allows for infinite articulation and optimum viewing angles. The male thread matches most standard camera and camcorder female threads found