Platinum Series Dual-Stacking Monitor Arm increases valuable desk space & creates a multi-display productive work area. Save space in tight work areas with a dual stacked position. Easily connect your favorite devices with two USB ports conveniently located at the base of the product. Make easy & effortless monitor adjustments with the innovative gas-spring technology. Height adjustment ranges from 3-1/2" to 25". Depth adjusts from 3-1/2" to 18-1/2". Aluminum monitor arm is easy to mount via clamp or grommet & minimizes clutter with an intuitive cord-management system. It holds a monitor up to 27" & 22 lb. Monitor arm also meets VESA mounting standards.