Fit most TVs from 32 inch to 47 inch, and some LED up to 55 inch (check VESA and weight), great for new ultra slim TVs Heavy gauge steel construction supports screens up to 66 lbs Fit VESA (mounting thread inserts) 200x100mm (8"x4"), 200x200mm (8"x8"), 300x300mm (12"x12"), 300x200mm (12"x8"), 400x200mm (16"x8"), 400x300mm(16"x12"), 400x400mm(16"x16") Arm extends up to 20" (510mm) from the wall and retracts to 1.9" (48mm) to save space; VESA plate can be taken off for easy installation Installation manual and standard mounting hardware included.