The SmartFit system makes finding the right height for maximum comfort as easy as 1-2-3. Simply match your hand size to the colour on the provided chart, set the height to your colour, and you're done. Wide adjustment range delivers 90 degree swivel, 180 degree rotation (for landscape or portrait orientation), and 45 monitor tilt adjustment for ergonomic comfort. Cable management system for clutter free desktop. Single. Extendable arm allows up to 15-7/10" distance adjustment. VESA. For monitors up to 17.6 lbs (34"). Includes C-clamp and grommet fastener. Black.