Buy these multi socket converters and youll save 2 most multi socket surge protectors on the market have a tendency to move or wobble when you insert or remove a plug under a unique patent this protector has four adjusting screws located in the back to make it fast and secure whether using bulky protruding industrial sockets or a normal household socket it comes with four adjustable screws in 25 and 55mm lengths to secure it in virtually any socket without the need for drilling its an