DoubleSight Displays DS-424STA is the best Quad Monitor Mounting Solution for your large screen LCD Monitors. DoubleSight's Flex Design offers the user complete flexibility when adjusting their monitors on the desktop. Each Monitor adjusts independently of the other Monitor for Tilt, Swivel and Pivot for a truly custom view. Height can be adjusted up or Down 3" and users can also move monitors forward or backward on the stand for a better ergonomic fit. DoubleSight Flex Stands ship preassembled and feature VESA mounting brackets to guarantee compatibility with most LCD monitors.