Recessed Flush in wall box Articulating mount for LED TV Vesa 200x200, 200x100, 100x100 with 20" full Extension Install between 16" wood stud centers Vesa 100x100mm, 200x200mm, 200x100mm In Wall Box (arm sits inside the wall) Supports up to 70 lbs Mounting hardware included 0" (flush) completely 20" Full Extension