!!Wall Mount World!! Universal TV Mount 40" extension. Will fit VESA mounting patterns:100x100mm, 200x100mm, 200x200mm, 300x200mm, 300x300mm, 400x200mm, 400x300mm, 400x400mm, 600x200mm, 600x400mm Wide range of movement with 90 of swivel left/right Extends 3.75 - 40 in. from the wall May be installed to swing out from left or right Swivels a 50" TV 180 degrees VESA mounting patterns: 100x100mm, 200x100mm, 200x200mm, 300x200mm, 300x300mm, 400x200mm, 400x300mm, 400x400mm, 600x200mm, 600x400mm