Double acting spring hinge, series 3029 6" 652 finish. Supplied 2 per box. Recommended installations: Door flange is mortised into edge of door, jamb flange is surface applied to jamb, 7 foot door height, 2 hinges up to 75lb door, 3 hinges up to 107 lbs - not recommended on doors with hinge edge beveled. Specifications: steel material, non-template supplied with all wood screws, non-handed. Price is for 2 hinges.