Ergotron LX Vertical Stacking Dual Monitor Arm, VESA Desk Mount for 2 Monitors Up to 40 Inches, 3.2-10kg Each Tall Pole, Polished Aluminum (45-549-026)

Broad compatibility: Fits two screens up to 40 inches and 3.2-10 kilograms each; compatible with VESA patterns 75x75mm and 100x100mm Everything you need: Includes two LX arms and extensions, 58 centimeter pole, heavy duty two-piece desk clamp for surface edges 1.6 to 6.6 centimeters thick, grommet mount plate and hardware for installation through a desktop hole, two pole collars, two caps and mounting hardware Comfortable workspace: Find your best view for each project with 33 centimeters of lift, rising 80.5 centimeters from the desktop; customize how you work or collaborate at your workstation with 360 degrees of rotation and 75 degrees of tilt Flexible working: Easily stack screens one over the other or position to either side; up your screen count and productivity with three or four displays using the LX Arm, Extension and Collar Kit accessory (97-940-026); free up more of your worksurface with thoughtful cable management Built to last: 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