RAM Double Swing Arm with 8" Male and Single Open Socket for 1.5" Ball. The RAM-VP-TTM8-1U, combination swing arm/tele-pole system, will connect to any RAM vehicle base with a welded female tele-pole. Included is a 8" tele-pole that can be easily adjusted by turning the knob at the top of the post. The length of the double swing arm is 12". The open socket of the swing arm will accept mounting bases with a RAM 1.5" diameter ball, enabling a versatile RAM ball and socket system. The bolt pivoting point allows a complete 360 degree rotation and the ball and socket system allows a 180 degree vertical pivot with a 360 degree rotation.