ERGOTRON 45-268-026 LX HD Wall Swing Arm, For up to 49" Monitors, Capacity up to 50 lbs, VESA MIS-D/E/F, Easily Tilts, Swivels and Rotates, Includes knob on pivot to lock the position of tilt, POLISHED ALUMINUM Ditch rigid wall mounts and embrace the easy positioning of this high-quality, dependable arm for your home or office.