3M MA220MB Monitor Arm

Desk Mount Easy Adjustable Arm For Dual LCD Monitor -Height easily adjusts up and down through 13" range. Monitor can rotate to portrait or landscape.
-Swivels 180° and tilts forward and back 80° for optimal ergonomic positioning.
-Clamp or grommet mount hardware included for desks up to 1-7/8" thick. Includes attachment system for docking stations for quick and easy notebook connectivity.
-For monitors up to 20 lbs, notebooks up to 12 lbs. Fits both 75x75 mm and 100x100 mm VESA-D monitor bolt hole patterns. Max monitor/notebook combined wt - 40 lbs with grommet mount.