VESA 400x400 - Full Motion Swing Out Tilt and Swivel Articulating Arm LCD LED Plasma TV Wall Mount Bracket for 17 - 42" TV - ²CAAKZ
This mount fits the majority of displays in the 17-42" size range and some models up to 47". Specifically, it fits VESA 50 - 400 hole patterns and TVs weighing up to 55lbs.  Please see the picture in the listing for demonstration of VESA patterns & what TV this mount fits.  The mount provides 11.5" of extension, 180 degrees of rotation, +/- 15 degrees of tilt, 4 degrees of rotation adjustment, and collapses to 2.9" from the wall.  The package includes the mount, manual, and all necessary installation hardware for wood stud.