Mount-it! Height Adjustable Three Monitor Desk Mount Spring Arm Quick Release/Mount (MI-55116) Supports three LCD monitors; Weight Capacity: Supports 19.8lbs (9kgs) for each monitor; Tilt: 105 Degree; Rotation: 360 Degree; Swivel: Max 360 Degree; Maximum extension: 15.75" (400mm); Mounting Pattern: VESA compliant: 75x75 and 100x100 Pole length: 19.68" (500mm). Expandable to support 4 monitors. Quick mount & quick release designs at three connecting points: stand, spring arm and monitor end. Desk-mountable, available in clamp base. Clamp table thickness: 0.79"-2.36" (20-60mm); Maximum adjustment rendered by tilting, swiveling, pivoting and dynamic height adjustment. Swift and easy movements and adjustments. Neat and efficient cable management Solid Aluminum die-cast construction; 7.87" Height adjustment; Space saving with its compact design; Easy installation and dis-installation.