Panasonic LED LCD Plasma flat panel HDTV wall mounting bracket. This full motion wall mount extends from 4" out to 31" from the wall.
Fits 37" up to 60" with a capacity 200 lbs and supports VESA 200x200 to 600x400.

http://www.wallmountworld.com/Securmount_WA_30_p/sec-wa-30.htm