Fellowes Office Suites standard monitor arm lifts computer monitors to a comfortable viewing height helping to prevents aches and strains associated with computer use and thereby comply with health and safety regulations. As well as moving up and down this arm also tilts the screen to a suitable angle while the two piece clamp securely mounts laptop on to your desk, ensuring optimum function at whatever angle, height and position.clamps to surfaces up to 64mm thick: 51mm overhang required, tilts up and down 90 degrees, pivots left to right 180 degrees and allows for 360 degree rotation of the screen, accommodates 13 to 21 monitors weighing up to 9kg, cord management system included