Samsung LED LCD Plasma Full Motion wall mount bracket. This full motion wall mount extends from 5" out to 24" from the wall.
Fits 27" to 52" TVs with a capacity of 125 lbs and supports VESA 200x200 to 700x450

http://www.wallmountworld.com/Full_Motion_Plasma_LED_LCD_Wall_Mount_27_52_Ar_p/wmw-2752.htm