Monoprice Full-Motion Articulating TV Wall Mount Bracket - TVs 32in to 55in Max Weight 66 lbs Extends from 1.8in to 20.3in VESA Up to 400x400 Rotating Concrete & Brick UL Certified Fits displays with VESA patterns between 200x200 and 400x400 Supports up to 66 lbs. of weight Certified by Underwriters Laboratories (UL)