High-quality materials: Our door hinges are made of zinc alloy, so they are corrosion-resistant and not easy to rust. The brushed surface is treated to be smooth, it can be used indoors and outdoors, the ball and the bearing are closely connected to cushion the door. Humanized design: The stainless steel hinge is equipped with scientific positioning holes and solid shafts, which can balance the weight, reduce noise and operate smoothly. It can be easily installed on the edge of the door. 4-hole mounting design: The 4-hole mounting design allows different components to be connected to each other stably and safely, and can be installed on the door more firmly, and can be used for a long time. Exquisite and beautiful: This product has a beautiful appearance, suitable for a variety of decoration styles. Meet your aesthetic needs and add a touch of sophistication to your home. Wide range of applications: This door hinge is suitable for installation on various types of doors. They are very suitable for fixing bedroom doors, entrance doors, bedroom doors, garden doors, fire doors, furniture doors, tool boxes, etc. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.