Continuous hinges, also called piano hinges, provide support to run the full length of the doors, panels, or pieces being joined together.<br> The leaf is the flat metal portion of the hinge that extends laterally from the knuckle and revolves around the pin.<br> This steel hinge is popularly used in security windows, storage lockers and cabinet doors.<br> The door hinge will last through everyday wear and tear.<br> Package includes 10 Hinges and matching screws for installation.