RAM® Double Socket Arm - D Size Short RV 1090 The RAM-111BT universal base has

The RAM-111BT universal base has a short post connected at right angles to a flat 6

The RAM-101U-D-247-3 consists of a long length double socket arm

The socket arm consists of a 1

5 inch track balls or 1

double socket arm and high strength composite cradle for the Garmin nuvi

RAM® Double Socket Arm - D Size Short RV 1090 The RAM-111BT universal base hasThe RAM D 201U C, short 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.