The RAP-B-138-AQ7-2-I5 consists of a 2.5" diameter round base that contains the universal AMPS hole pattern, double socket arm, diamond adapter base and AQUA BOX® Pro 20 i5 case. The included cradle clip attaches directly to the mount, and serves as a quick release mechanism, allowing you to quickly insert or release the AQUA BOX® case. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm this allowing for almost infinite adjustment and perfect viewing angles.