Easy installtion - Step-by-step user manual and organized hardware kit for hassle free mounting.Laptop Mount, Laptop Arm Mount for Desk Holds 4.4-19.8lbs, Adjustable Laptop Desk Mount with Tray and Clamp/Grommet Base for 12"-18" LaptopProduct Name: Adjustable Laptop Desk Mount with TrayMaterials: Iron, PlasticFit laptop size: 12"-18" Tilt angle: +80°~ -45°Swivel angle: +180°~ -180°Rotate angle: +180°~ -180°Table thickness: within 10-75mmLoading: Max 9KG or 19.8Lbs per Arm Note:1. Please check the size and color before purchasing.2. Does not include items other than those shown in the product photo.3. Please note that due to the different monitors, slight chromatic aberration may occur, please understand.4. The above data is for reference only, the size is manual measurement, each variable may be different, please refer to the actual product.