FITS 17" TO 32" SCREENDual vertical stacked monitor desk mount fits most of flat/curved/ultrawide computer monitors up to 19.8 lbs (9 kg) each in weight with VESA 75x75mm or 100x100mm mounting holes. SAVE VALUABLE SPACEHeavy-duty metal base only take up 4.3" x 4.2" (110mm x 107mm) desk surface. The c-clamp and grommet mounting options support up to 3.4" (86mm) desk thick.