It is made of all copper, firm and thick, the sheet is quiet, and the bearing is thickened, which is durable. This door hinge has 3 colors, black, brown, and gold. The surface adopts different crafts, so that each color is bright and luxurious, and different colors match different doors. Flat hinges, strong bearing capacity, silent bearings. All copper forging, no pores, so you can use it at ease. The installation is simple, and is equipped with screws of the same color. (Due to consideration of hinge stability, the internal bearing is made of iron rods, the screws are made of stainless steel, and the others are made of copper), Manufacturer: Shun Yingtong