Designer Suites Flat Panel Monitor Arm elevates monitors to comfortable viewing heights to prevent neck strain. Easy-to-mount, patent-pending two-piece clamp mounts monitor between desk & cubicle wall. Height-adjustable arm moves up or down to four positions (1" increments each), tilts up or down positive / negative 45 degrees, pivots left to right 180 degrees, & allows 360-degree screen rotation. Monitor arm supports 21" flat panel monitors up to 20 lb. Clamp to surfaces up to 2-1/2" thick (2" desk overhang required) or mount in grommet hole. Space-saving monitor arm includes a cord-management system. VESA compliant.