The Fellowes Professional Series Depth Adjustable Dual Monitor Arm features twomonitor arms that adjust easily in every way for optimum viewing control. Easy to mount--clamp attaches to desktops 1-3 thick or through grommet hole. Elevates LCD monitors from 3-1/2 to 16-1/2 above the desk with a reach of 2-1/2-27. Tilts up or down +/- 37 degrees and freely swings left or right (360 degree rotation capability). Each arm holds an LCD monitor up to 24 lbs. Meets VESA mounting standards.