Dual monitor arm prevents neck strain by elevating monitors to comfortable viewing position. Features two monitor arms that adjust easily in every way. Easy to mount clamp attaches to desktops 1 to 3" thick or through grommet hole. Elevates LCD monitors from 3-1\/2" to 16-1\/2" above desk with a reach of 2-1\/2" to 27". Tilts monitors up or down +\/- 37 degrees and freely swings them left or right (360 degrees rotation capability). Each arm holds an LCD monitor weighing up to 24 lb. Dual monitor arm meets VESA mounting standards."