Triple monitor desk mount for up to 15.4lb 27inch displays; VESA 75X75/100x100mm - One-touch spring-assisted articulating arms - Tool-Less ergonomic arms with +/-180 swivel +/-90 tilt; VESA +/-90 rotation; for portrait/landscape screens - Max arm extension 28.4" and 8.8" height range; Unique top-screw desk clamp for hassle-free installation without going under desk - C-clamp/grommet mounting; Max 2" thick desk; Adjustable arm tension - Cable management under arms and cable clip on the pole.