Compatibility: Dual Vertical Stack Mount Fits Most Screens up to 32 inches. The heavy-duty C-clamp is integrated with a two-stage locking system and fits any desk up to 3.62 inches in thickness and optional Grommet-Base fits the desk thickness up to 2.56 inches Double Benefits: Double efficiency and productivity to make working or relaxing that much more comfortable. Open up available desk space can help to provide a new range of adaptable positions for your displays