One option is the C-clamp that fits desks with thicknesses between 0.39 to 3.15 inches. The other option is a grommet mount that fits desks with thicknesses between 0.39 to 2.36 inches.
Easy to position the laptop to your perfect angle only with one hand. Detachable Tray Design: Mount plates have mounting holes 75x75mm and 100x100mm. You can replace the laptop tray with displays.