If you have multiple monitors on your desk, you know how much space ... with thicknesses between 0.39 to 3.15 inches. The other option is a grommet mount that fits desks with thicknesses between ...

Monitors can be placed in portrait or landscape orientation. Heavy Duty C-Clamp - Mounts to the back of your desk (up to 3.25” thick) via a heavy-duty C-clamp or optional grommet mount.