Swings door in both directions. Fully adjustable spring tension returns door to opening. Commercial grade - ANSI/BHMA A156.7 Grade 3. Accepts doors 3/8 in to 1-3/8 in thick. For doors up to 30 pounds and 2 ft wide, use two hinges. For doors up to 38 pounds 2 ft -8 in wide, use three hinges. Includes adjusting rod, stop pin, and screws.