The DS100 Series is a line of products within Ergotron's flat panel monitor Adjustable Rotating Mounting Solutions (ARMS). Conserve desk space by suspending flat panel monitors on a single base. Choose between multiple configurations and adjustment ranges. Easily adjust the height and position of all monitors to a comfortable, ergonomically appropriate position. Patented pivot mechanisms allow you to tilt, pivot and turn your flat panel monitors for maximum efficiency and ergonomic comfort. Free Standing, Desk Clamp, and Grommet Mount Bases are available for all configurations. This Free Standing Base Vertical Double Monitor configuration manages from 38,1 cm ( 15 inch ) to 50,8 cm ( 20 inch ) flat panel monitors and up to 23 lbs.