National Hardware N236-156 Ball Bearing Door Hinge, 50 lb Weight Capacity, Steel, Brass

Five knuckle, for use on interior or external medium weight doors of average frequency. Equipped with two permanently lubricated ball bearings for smoother and quieter operation. Template screw hole location for use on either wood or hollow metal doors and frames. Includes non-removable pin for added security. Conforms to ANSI/BHMA grade 2. 50 lb safe working load.