Compatible with heavy monitors: Fits single screens up to 42 inches diagonal and 14 to 30 pounds; compatible with VESA patterns 75x75mm, 100x100mm, 200x100mm and 200x200mm; separate accessory VESA Bracket Adaptor Kit (97-759) fits larger VESA patterns. Installation flexibility: Includes arm, wall mount base, VESA adapter brackets, attachment hardware; mounts directly to sturdy vertical surfaces, wood studs, or to optional accessories Wall Plate (97-101-003) or Track Mount Bracket Kit (97-091). Improved comfort: Find the most ergonomic fit with 21.7 inches of horizontal extension and 5 inches of lift; customize views with 90 degrees of rotation and 80 degrees of tilt; frees up desktop space by folding within 5 inches of the wall. Sleek and sturdy: Enhances the look of your workstation with adjustable positioning to help boost productivity; neatly control cables with integrated cable management. Professional-grade quality: Extensive quality testing ensures your display stays stable and secure; Ergotron products set the standard for quality with a 10-year warranty and expert technical support.