Displays2go VW4055BKX4 TV Wall Mount for 4 Screens, Flat Screen Panel Display, 42-55", Anti-Theft Multi-TV wall grid holds a total of 4 HDTV TVs Each VESA mount can hold a screen from 42-55" Each mount has a 77-lb weight capacity VESA compatilbe from 100x100 up to 400x400 Each TV bracket has a lock and key for security