Are you looking for flexible, simple dual monitor lifting? The ESI Ergonomics EVOLVE2-FF Monitor Arm mounts to most desks with included clamp and grommet mounts, and allows for a wide range of rotation on each arm with a 180° post stop to prevent over-rotation of your monitors. The ESI Ergonomics EVOLVE2-FF Monitor Arm is the easy solution to help desks that could use extra space up top while increasing ergonomics for the user simultaneously.The arm is able to collapse down to just four inches when it's not needed, freeing up much-needed desk space. Give yourself and your screens freedom to move to more ideal positioning that works for you with one easy desktop addition. Features 16" pole Monitor extends up to 26.75". Monitor tilt: +90°/-25°. Monitor rotation: +90°/-90°. Quick release function. Durable folding arms provide individual extension and retraction for each display. Quick release VESA mounts allow for easy attachment or detachment of monitors 180° lockout feature limits arm rotation to prevent wall damage. Optional conversion kits expand system to support up to 6 displays Includes both clamp and grommet mounts. Supports monitors up to 20 lbs (per display).