Monitor Desk Mount fits up to 49-inch curved screens including ultrawide 21:9 or 32:9; Quick-release 75×75/100x100mm VESA mount – Articulating mechanical spring arm – Tool-less ergonomic arm with +/-90 swivel; -20 /50 tilt; Portrait/landscape support- Max arm extension 24.4in and 20in height range – C-clamp/grommet mounting; For desks up to 3.1in thick for C-clamp and 1.4in thick for grommet; Max weight 44lb – Computer display mount features cable management under arms for a tidy setup.