Features: 1.Solid steel cutting process, real materials are durable, rust-proof, healthy and environmentally friendly. 2.The surface of the hinge adopts multi-layer electroplating process, which is corrosion-resistant, wear-resistant and durable. 3.Multi-role is a top three, it is a hinge, a door stopper, and a door closer. 4.When the door is opened to 90 degrees, the positioning bead is stuck, and the positioning can be oriented. 5.Invisible door hinge, 90-degree positioning design automatically closes the door. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3mm deviation due to manual measurement includes: 1 x Spring Hinge