Vertical Monitor Stand- MU3003 is designed for 2 stacked monitors, fits for most flat or curved 13,19,21.5,22,23,24,27,29,32 computer screens, holds up to 17.6lbs per monitor, compatible with VESA pattern 75x75mm/100x100mm | Multi-Adjustable - This dual monitor desk mount offers a screen tilt up and down ±30°, left and right ±90° swivel, 360° rotation, and easy height adjustment along the 31.7” center pole for better viewing. The monitor can be placed in portrait or landscape orientation | Easy Installation - The detachable VESA plate makes it simple to attach your monitor. Support c-clamp (drill-free) and grommet (optional) installation. Suitable for most tables with a thickness of 0.39"-3.15" or a hole diameter of 0.39"-3" | Sturdy Construction - Heavy-duty monitor desk mounts made from cold-rolled steel securely hold the monitor stable in any position. Also, our monitor stand features a cable clip to keep wires organized while freeing up more space on your desktop | Friendly Customer Service - Comes with clear instructions and all the mounting hardware needed. Do not hesitate to relate with us for any pre-purchase or installation questions. We are confident in our monitor mount's construction, strength, and durability, which provides 3-year support.