Fellowes Standard Monitor Riser | Positions the monitor at a comfortable viewing height and helps organise the workstation around the monitor | 3 stacking height adjustments to maximise viewing comfort | Supports 36kg or 21 CRT or TFT/LCD monitor | Adjustable to 3 different heights from 50 to 100mm | Made from 100% recycled plastic! | Non-skid foot rings ensure stability on any surface | Cable Management to keep your workspace clutter free