The AOC AM500MAX is a heavy-duty gas spring monitor arm for 27-40 inch screens up to 26.5 lbs. The non-sag head technology keeps your monitor stable over time. Once balanced, the precision spring allows smooth one-finger height adjustment. Includes C-clamp and grommet mounts for desks up to 2 inches thick. Full motion design offers tilt, swivel, and 360-degree rotation for portrait or landscape viewing. Reduces neck and eye strain while saving desk space. Ideal for work or gaming.