Finding the correct ergonomic monitor height and adjusting its distance is easy, thanks to the stable, SmartFit Ergo Dual Extended Monitor Arm. Finding the right height for maximum comfort is easy, simply match your hand size to the colour on the provided chart and set the height to your colour. These monitor arms clear valuable desk space and the sturdy metal C-clamp and grommet fasteners are easy to install and will not damage or mark the desk. The extendable arms let you easily adjust the monitor's distance up to 399mm.