Two Installation Options: We provide both C-clamp and grommet kits. The C-clamp and grommet base allow for 0.39 to 3.34 inches thick. The dimensions of the hole range from 0.39 inches to 2.36 inches. The clamp laptop stand simplifies assembly. There is no need to worry about assembly, installation can be completed in 10 minutes. Professional Space Saver: Keeps your workspace professional and organized with the cables and wires tucked neatly in the arms. Height adjustable, full motion design lets you work in a more comfortable ergonomic position. You can work comfortably at your desk for long hours without stiff necks or back pain now. Protect Your laptop Monitor Stand: Multiple slots on the tray are designed for heat dissipation. The stopper is positioned in the middle of the bottom to prevent your notebook from sliding and falling. In addition, there is a strip and non-slip pads to secure your laptop tightly. Full Motion Adjustable Laptop Stand: This monitor desk mount with gas spring arms offer a wider range of movement. Single Monitor Desk Mount arms can extend up to 21.5" long, and rise up to 16.3" in height. Easy to find the right viewing angle and position. Supports screen rotates 360° for landscape or portrait orientation, swivels 360° to share your display, and tilts up 90°/down 45° for better viewing. Universal laptop Mount Desk: Hold one up to 13"-17" laptop. Each arm can hold 3.3-17.6lbs /1.5-8kg laptop or monitor with 75mm x75mm or 100mm x 100mm VESA mounting holes.