The Chief MWHVB full motion wall mount fits 30" - 55" Plasma, LED and LCD flat panel screens that are VESA 400x200. This MWHVB full motion wall mount has a profile from the wall of 3.4" collapsed and extends outward to 24.8" from the wall. The MWHVB has independent adjustable tension screw at the pivot points for a customizable control of movement. To help keep cables hidden there are cable management tunnels built into the arms.
To spin the mount from landscape to portrait release the lever on the MAC400 adapter interface and spin to the desired position. The MAC400 allows you to spin your flat panel without having to remove it.