Solid Construction - High-grade steel and aluminum construction allows this sturdy stand to easily support 4 screens weighing up to 22 pounds each! Win back valuable desk space by raising your monitors to a comfortable viewing height. Full Motion - Fully adjustable arms offer -90?? to +90?? tilt, 180?? swivel, and 360?? rotation for comfortable viewing angles. Each VESA plate can be adjusted up and down by 0.5??? for perfect screen alignment. Warning: Please do not pull monitor(s) too far forward or backward unless the stand is bolted down, as this will cause stability issues. Compatibility - This mount is designed to support four computer monitors 13??? to 27??? in size with VESA 75x75mm and 100x100mm mounting holes. Removable VESA plates are provided for an easy mounting process. Heavy Duty Base - A sturdy glass base creates optimal support for your monitor setup while giving an elegant appearance to your workstation. Bottom side padding is included to protect your desk surface from scuffs and scratches. We\'ve Got You Covered - Sturdy steel design is backed with a 3 Year Manufacturer Warranty and friendly tech support to help with any questions or concerns.