Mount-it! Dual Monitor Desk Mount Swivel Arm, Quick Connect with Combo Grommet and Clamp Base (MI-43111-BLK) Single arm can articulate in three different locations for best positioning for laptop/notebook up to 22 lb. Swivel and Rotate: 360 Degree with Full Motion Mount - Easily Tilts, Swivels arm Lift your laptop to free your desktop space Height adjustable up 10 1/8" with a laptop platform of 11 3/4" by 11 3/4".Heavy duty "C" clamp integrated double lock ensures stable mounting onto the desk. Space saving with its compact design; clean look with minimal hardware visible from underside of work surface; Maximum productivity and supreme ergonomic comfort