TRIPLE MONITOR STAND: Fits 3 monitors 19 20 21 21.5 22 23 24 inches, with a maximum support weight of 15.4 pounds each, using the 75x75mm or 100x100mm VESA square bolt hole pattern found on the back of the monitors. Measure, in millimeters, the distance between the bolt holes in the pattern on the back of your monitor if unsure of size. FEATURES: Free standing monitor desk stand has full motion, height adjustable arms and is made of heavy duty steel and have integrated cable management on each to keep your cables out of sight. VESA plates are removable, which makes for easier mounting. Comes with stable free standing base for desktops.