Check the listing for details. Custom Mounts-RAM DBL SWNG ARM NO BALL TELE-POLE. Color: Black, Condition: New. Listed at 75.49 USD. The RAM-VB-110-4U consists of (2 qty) 6Inches long single swing arms, Tele-Pole connection hole and swivel single socket that will accommodate 1.5Inches ball bases. The two swing arms connect with a bolt and knob system. With a simple turn of the knob you can pivot the swing arms at this center point and the tighten the knob to lock the arms in place. The swivel single socket arm allows you to twist and tilt the viewing angle of your laptop, tablet, UMPC, monitor, or any other connected electronic device, when mounted on your RAM Vehicle Mount. Taking the highly successful RAM Vehicle Mounts to the next level, this rotating swivel arm gives you even more viewing positions for your mounted electronic device while holding everything firmly in place. Swing Arm Length: 12Inches