This monitor arm supports monitors with an adjustment range of 6"-12" above the work surface. The gas spring adjust monitors up to 80 lbs. The base rotates 360 degrees, the platform swivels 240 degrees and the secondary pivot arm allows for 32" of extended range. A molded handle allows for easy adjustments. Bracket has three options: wall mounting/screws, surface mounting/screws, or clamp to work surface.