This Articulating mount is a breakthrough in swing arm mount design, combining strength, easy installation, and striking product design that is unparalleled in the industry. They take maneuverability, stability and security to the extreme with a unique look that is sure to match your flat panel. This Articulating LCD Wall mount folds flat against the wall or extends out up to 20". The mount is for single stud mounting; fit VESA 400x400 300x300 LCD TV wall mount. This multi-functional LCD TV wall mount comes with 4 removable mount adaptors. If you want to use it for small or midsize LCD TV with VESA 200X200 or VESA 200X100, you just need to remove the 4 mount adaptors.