Double Acting Spring Hinges Adjustable Matte Black

Heavy Duty Steel – Matte Black Finish Approved by the New York City Housing Authority (NYCHA) and patented in Taiwan, China and the USA. Federal specification FF-HH-116C (the top button on the hinge is not removable, so that the spring cannot be removed or tampered with). This makes these hinges particularly ideal for use on homes, commercial projects and public buildings. Instructions, mounting screws and adjusting bar included with each hinge.