RAM® Double Socket Arm with Key Lock Knob - B Size Medium .75" - 1" and ease of adjustment for

and ease of adjustment for perfect viewing angles

The RAM-B-149Z-GA34U consists of a zinc coated u-bolt base

5" diameter ball connected to a base with single strap

The RAM-B-202U-RYM1 consists of a 1" diameter rubber ball connected to a flat 2

RAM® Double Socket Arm with Key Lock Knob - B Size Medium .75" - 1" and ease of adjustment forThe RAM B 201LU, standard double socket arm with locking knob, has a socket at both ends that accommodates 1" 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. The locking knob, includes a brass 1 4" 20 thread, for 1" (B size) socket arms; this allowing you to disengage the screwing of the knob.