Stanley Hardware S176-533 CD1756 Light Duty Air-Controlled Door Closer in Clear Coated Aluminum Authorized Replacement from National Hardware Stock #N181-602 Designed for use on out swing wood or screen doors up to1 inch thick Two hole end plug allows closing force to be regulated Supplied with handy "hold-open" washer Permanently lubricated to extend operating life Returns will not be honored on this closeout item