Full Motion Swing Out Tilt and Swivel Articulating TV Wall Mount Arm up to 400x400 VESA Fit for most 23" to 55" Samsung, Sony, Vizio, LG, Toshiba Installation Manual and All Hardware Included Arm extends up to 16.5" from the wall and retracts to under 3 inches VESA compliant: 100x100, 200x100, 200x200, 300x300, 400x200, 400x400 +12/-12 degrees of continuous tilt for optimal viewing angles, 180 Swivel, -3 ~+3 level adjustment Single Stud Installation, Durable Powder Coat Paint.