RAM® Double Socket Arm Mirror Designed into the mount is

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

this with a twist of the arm knob allows for you to maneuver the mount to your optimum viewing position

The GDS® Tough-Dock™ is compatible with RAM® ball and socket systems using the integrated 4-hole AMPS hole pattern

The round base includes a 1" B size rubber ball and contains pre-drilled holes

The base included connects to the back of the factory cradle that is included with the purchase of the TomTom Rider

RAM® Double Socket Arm Mirror Designed into the mount isThe RAM E 201U, double socket arm, has a socket at both ends that accommodates 3. 38" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. This socket technology allows for almost infinite adjustment and perfect viewing angles.