Heavy Duty Monitor Arm features a 13”x 13” non-skid platform that supports up to 80 lbs. The tilt control function enhances comfort by positioning monitor at optimal viewingangle. Arm and platform rotate 360° for a full range of monitor movement. Dual clamping system mounts to surfaces up to 3-1/2” thick with a 2” overhang. Adjustable chrome keyboard support maximizes workspace.