Husky Mounts Gas Spring Fully Height Adjustable Computer Monitor Stand Tilt Swivel Monitor Arm Articulating Desk Mount Fits Most 13 - 27 Inch Screen 13 Lbs Load Capacity Monitor arm swivel freely left and right, retracts and extends up to 17. Rotates screen from landscape to portrait mode. Tilts to change reading angle and reduce glare. Height adjustable up to 16 from the desk. Supports up to 27 monitor with VESA 75X75 and 100x100. This means the distance between the mounting holes on the back of your monitor should be 3x 3 or 4x 4. 13 lbs Maximum load capacity. Sit comfortably and reduce neck, eye and back strain. Increase desk space and productivity. Please make sure your monitor has the mounting holes on the back and not heavier than 13 lbs. Constructed with solid steel, elegant die casting aluminum and integrated with innovative counterbalance technology. Easy setting adjusts arms movement and tension based on the monitors weight. Two options for installation; Option 1 - Clamp: for desk thickness between 1/2  3 1/3 (8.5  70mm) please make sure your desk is not flat paneled on the back and has an area for the clamp. Option 2  Grommet: holes size 1/2  2 (8  50mm). Four factors to consider before purchasing this computer monitor arm desk mount: Monitors weight, monitors size, monitor is VESA compatible (mounting holes on the back) and the desk design allows for clamp or grommet installation. Comes with 5 year manufacturer limited warranty, instruction manual and all necessary hardware. Note: the monitor screw sets provided are of standard size. They will fit the majority of monitors on the market. Should your monitor require a different sized screw; the size can be established through the monitor User Manual and can then be purchased from your local hardware store. Please reach out to us if you have any problems at all.