Stanley Hardware 2060R 4-1/2" X 4-1/2" Heavy Duty Automatic Self Closing Spring Hinges Square Corners in - Pack Of 3 (Satin Chrome) Automatically closes door - an alternative to overhead mounted door closers. Ideal for use in Corridors,Boilers, Apartments, Entrances and Stairways. Patented ratchet adjustment eliminates need for locking pin and allows for quick fine tuning tension Includes Allen hex key. Can be installed right- or left-handed on doors measuring up to 4-by-8 feet and weighing up to 180 pounds. Comes with both #14 wood screws and #12-24 metal machine screws.