Enhance movement of your door with black ball bearing hinges from Australian brand, Tradco Hardware. Designed to suit their Black Door Handle Collection, these hinges feature ball bearings between the knuckles which increases the smoothness of the swing as well as the life of the hinge. These hinges suit both exterior and interior doors, which often require a different number of hinges. Tradco sells them individually for your convenience. They also supply face fix screws in the same black finish.