Screen Compatibility - Single monitor freestanding mount fits screens weighing up to 22 lbs with VESA 75x75mm or 100x100mm backside mounting holes. This covers most monitors on the market between 13 and 32, as well as ultrawide monitors up to 38. Ergonomic Viewing - Designed to elevate your monitor to a better viewing angle encouraging better posture for your neck and back while working long desk hours.