The Fellowes Depth Adjustable Monitor Arm adjusts easily in every way for optimum viewing control. Easy to mount - clamp attaches to desktop or through grommet hole. Elevates LCD monitors from 3-½ Inches to 16-½ Inches above the desk. Minimum reach of 2½ Inches to a maximum reach of 21-½ Inches. Tilts up or down +/- 37 Degree and freely swings left or right (360 Degree rotation capability). Mounts to surfaces up to 2½ Inches thick; no tools required. Meets VESA mounting standards. Holds LCD monitor up to 24 lbs.