The ERDGM4-01B is a triple monitor Desk Mount for Monitors 13-32" weighing up to 17 lbs. The gas spring arm provides easy height adjustment - simply move the monitors where you want them, no tools required! Unique design securely holds three monitors weighing up to 17 lbs. Height, swivel, and tilt adjustments allow the monitors 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.