Broad compatibility: Fits two screens up to 24 inches diagonal and 7 to 20 pounds each; screen sizes up to 24 inches may reduce the amount of adjustment; compatible with VESA patterns 75x75mm and 100x100mm Fully assembled and ready to install: Includes two-piece desk clamp for panel and cubicle systems, plus freestanding tables; desk clamp attaches to desktops 0.47 to 1.25 inches thick; accessory grommet mount available (98-111) to install through a desk surface hole Comfortable working: Offers full monitor movement with 13 inches of lift, rising 18.5 inches from the worksurface; customize how you work or collaborate with 360 degrees of rotation and 180 total degrees of tilt; rotation-stop base stops the arm from hitting the wall or other desks Stylish and functional: Modern V-shaped design is sleek and lightweight; low-profile clamp fits in tight spaces; easily positions monitors side-by-side and creates a neat workstation with thoughtful cable management; supports a laptop instead of a monitor with an accessory Notebook Tray (50-193-200) Built to last: Extensive quality testing ensures your monitors stay stable and secure; Ergotron products set the standard for quality with a 10-year warranty and expert technical support