Compatibility: The dual monitor stand fits most screens 13" to 32" in size and 19.8 lbs in weight with VESA 75x75mm or 100x100mm mounting holes. Ergonomic Comfort: Wider adjustable range with longer arms, height adjustment through the spring arms, VESA plate attached to arm end for screen rotation and tilt. Gas Spring System: The gas spring arms provide a 19.8" height adjustable range and provide a smooth adjustment motion that perfectly balances the weight of the monitor. Cable Management: Integrated cable management conceals inside providing a neat table top and stylish appearance for the most comfortable work environment. Easy Install: Mounts to the back of your desk (0.4'' to 3.35'' thick) via a heavy-duty C-clamp or optional grommet mount which frees up your space the monitor's original base has occupy.