Notebook Computer Stand Compatibility: Dual installation options, suitable for 10-17 inch notebooks with a tray or 22-35 inch monitors without a tray (VESA 75x75mm or 100x100mm). The maximum weight-bearing capacity of the arm is 12 kg (26.4 lbs). The width range of the notebook tray is from 8.6 inches to 16.5 inches (220mm-420mm). The notebook tray with holes provides better air circulation, keeping the notebook cool Fully Adjustable: The desktop notebook arm can easily tilt, swivel, and rotate (rotation: -90°/+90°, swivel: 360°, tilt: -30°/+85°). The height and extension parts are adjustable up to 550mm, providing more choices for a comfortable posture Ergonomic Design: The notebook stand allows you to raise the notebook/laptop to an ergonomic height with the right viewing angle, helping to create a healthy office style and improve work efficiency. This arm with a notebook tray helps relieve eye, shoulder, and neck pain when adjusting your position for long computer work Organized Cable Management: With cable slots, the desktop is no longer a mess. Cable clips keep things tidy and protected, allowing you to enjoy work and study in a more comfortable environment Easy to Install: Installing the notebook tray on the arm is a simple process. We provide all the necessary tools, hardware, and instructions for easy assembly. Depending on the desktop situation, you can choose clamp installation (suitable for desks 1" to 3.1" thick) or grommet installation (for desks 0.78 inches to 3.52 inches thick) Specifications: Material: Aluminum alloy, cold-rolled steel, plastic shell Recommended Screen Size: 22 inches - 35 inches Recommended Notebook Size: 10 inches - 17 inches Notebook Thickness: 5.0mm~21mm Load: 2.0-12.0kg (Please ensure the screen weight is within this range, otherwise the gas spring arm will not work!) Tilt: +85°~ -30° Swivel: -180°~ +180° Rotation: 360° VESA: 75*75mm/ 100*100mm Installation Method: Clamp and Grommet Clamp Thickness: 25-80mm, Clamp Width at least 40mm Grommet Hole Diameter: 10-50mm, Desk Thickness: 20-90mm