Elevates monitors to comfortable viewing height to prevent neck strain. Easy to mount – two piece clamp mounts monitor between desk and cubicle wall. Height adjustable arm moves up or down to five positions (1” increments each). Supports 21” flat panel monitors up to 20 lbs. Tilts up or down +/- 45°, pivots left to right 180°, and allows 360° screen rotation. Clamps to surfaces up to 2 ˝” thick (2” desk overhang required) or mounts in grommet hole. Includes cord management system. VESA compliant.