Monoprice Full-Motion Articulating TV Wall Mount Bracket - For TVs 23in to 42in Max Weight 55 lbs Extension Range of 2.2in to 17.3in VESA Up to 200x200 Rotating Works with Concrete & Brick Fits displays with VESA patterns of 100x100, 200x100, and 200x200 Supports up to 55 lbs. of weight Certified by Underwriters Laboratories (UL)