Knape & Vogt Poise Twin Flat Screen Monitor Arm is available in black and silver finishes. All of the Poise features in a dual display mount, supports 2 displays from 7 lb. to 18.5 lb. each and fits displays up to 24-1/2'' actual width. Using this monitor arm, the monitors can be installed horizontally (side by side) or vertically (one over one).