Sometimes referred to as Saloon Door hinges, Cafe Door hinges, Swinging Door Hinges, or Double Acting Barrel Hinges. These spring hinges are adjustable and execute closing action from either direction returning the door to the center, closed position. Available in Matte Black, Zinc, Brass, Prime Coated, Oil Rubbed Bronze, and Satin Brass finishes. Also available in a floor mounted model in multiple finishes. Approved by the New York City Housing Authority (NYCHA) and patented in Taiwan, China and the USA.