COFO Zero Gravity Monitor Arm Pro can hold monitors of various sizes and weights ranging from 7 lbs to 30 lbs with incredible stability. The unique arm structure allows the monitor to be rotated not only 180°but a full 360°and fixed at your desired angle. The arm slides around with smooth and stable movements all set with just a twist of the dial. Experience your moniter in zero gravity at your office, school or any other environment you can imagine.