The ERDGM1-01B is a single monitor Desk Mount for Monitors 13-34″ weighing between 2.2 and 17 lbs. The gas spring arm provides easy height adjustment – simply move the monitor where you want it, no tools required! The heavy duty pillar offers extended height adjustment. Height, swivel, and tilt adjustments allow the monitor to be placed at the optimal position. Versatile mounting options; includes desk clamp, or grommet mount accommodates a variety of desk types. Built in cable management allows cables to be neatly organized creating a clean look.