DUAL ARM MONITOR MOUNT: Fits 2 screens 19 20 21 22 23 24 25 26 27 28 29 30 31 32 inches, with a maximum support weight of 20 pounds each, using the 75x75mm or 100x100mm VESA square bolt hole pattern found on the back of the monitors. Comes with interchangeable C-clamp or grommet base mount for use on desktops. FEATURES: Two monitor stand has counterbalanced, gas spring arms which make adjustments effortless. It has 2 quick-detachable VESA plates for easy mounting and removal of monitors. Comes with integrated cable management and is made out of heavy duty steel and aluminum alloy.