The RAM-201U-BL, standard double socket arm with small size locking knob, has a socket at both ends that accommodates 1.5" ball bases. A single spring inside the arm opens the end sockets, allowing...
The RAM-D-201U-MI1, standard size double socket arm with jam nut, 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...
The RAM-E-201U-D, short 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...