Fellowes Premium Computer Monitor Riser (Adjustable Height)Leaning forward and tilting your head up or down to see your computer screen can place strain on your neck and back. The Fellowes Premium Monitor Riser raises your monitor to eye level and positions the screen at a more ergonomically correct and comfortable viewing height to suit you, reducing the strain placed on your shoulders neck and eyes. The Fellowes Premium Monitor Riser supports up to 36kg or 21inchand#157; CRT or TFT LCD monitor. It is height