RAM® Double Socket Arm - D Size Long RAM-B-189-TAB3 and other similar devices

and other similar devices

but for best result

The quick release mechanism in the Lowrance is fully functional

including two holes at 180 degrees and three holes at 120 degrees

4 nuts) to attach a round or diamond base to the AMPS hole pattern on the bracket

RAM® Double Socket Arm - D Size Long RAM-B-189-TAB3 and other similar devicesThe RAM D 201U E, long double socket arm, has a socket at both ends that accommodates 2. 25" 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.