The Freedom Arm "Heavy Duty" is an Articulating LCD Monitor Arm that easily mounts to any standard desk allowing you to free up valuable desk space. Holding from 20lbs to 30.8 lbs the Freedom Arm Heavy Duty offers 120? dynamic one-touch height adjustment and a full extension range of 26.7". With a tilt range 90? up and 45? along with full 360? rotation and 180? pan the Freedom Arm gives your PC or iMac® the versatility it needs & deserves to move freely around your workspace! Can withstand a maximum weight of 30.80 lbSuits displays with 75 x 75 mounting hole pattern