ERGOTRON 45-475-026 HX Desk Monitor Arm, For up to 49" Screens, Capacity up to 42 lbs, Easily lifts, tilts, swivels, and rotates, MIS-D/E/F, Streamlined cable management, Aluminum, POLISHED ALUMINUM Choose a monitor arm that’s as adaptable as you. With the HX Desk Monitor Arm, you can easily reposition large monitors weighing up to 42 lbs (19.1 kg) using patented Constant Force™ Technology.