Hydraulic concealed hinge 1.Material:iron, nickle plated 2.Full cover, half cover ,insert 3.Door opening angle:110 degree Nickle plated full cover hudraulic concealed hingeHydraulic concealed hinge; Hydraulic hinge; Concealed hinge 1.Material:Iron,nickel-plated 2.Door opening angle:95°3.The Item we can provide three kinds of hinges: Full overlay , half overlay, inset.4.4 holes5.Antirust ...