Two fully adjustable monitor arms with depth control for optimum viewing. Easy to mount-clamp attaches to desktops 1"-3" thick or though grommet hole Elevates LCD monitors from 3-1/2"-16-1/2" above the desk with a reach of 2-1/2"-21-1/2" 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 Fellowes Professional Series Depth Adjustable Dual Monitor Arm