Each package contains one complete set consisting of: One upper hinge, one lower hinge, two screws, one 'L' plastic gasket, and one flat plastic gasket. When doors are closed a positive positioning keeper maintains them at a true 90 degrees. The maximum recommended door width is 22" (559 mm). Maximum weight should not exceed 25 lbs. (11.3 kg). Minimum clearance required is 1/4" (6 mm) top and 1/4" (6 mm) bottom. One set top and bottom per pack.