Beautiful aluminum alloy and iron constructed, very solid the mount has a broader base than other brand mount to offer better upright balance;For vesa mounting 50 x 50, 75 x 75 and 100 x 100, monitor can be installed either in portrait or landscape position;Tilt 30 degree up or 30 degree down, swivel left and right, max. arm extension: 49.8 (126.4 cm);LCD monitor rotate 260 degree for landscape or portrait position . Height adjustable along the pole. Swivel left and right. Integrated cable management system.;Support 3 up to 24 monitor and weight up to 13.2 lbs per monitor. Installation tools, including Wrenches are included in the package.