Concealed hinge:two action,clip on. Material: steel with nickle plated Max door opening Angle:110° With height,side adjustment function Full overlay,half overlay,inset model are available Antirust protective layer Package:100psc/ctn or according to customer requirement Total weight of one hinge: 91g Diameter of the cup: 35 mm Thcikness of cup : 0.8 mm Thickness of the arm: 1.2 mm Thickness of plate: 1.0 mm