Spring hinge invisible door self-closing buffer damping hinge automatic door closer door

Features: 1. Real steel cutting process, real materials, durable and rust-proof, healthy and environmentally friendly. 2. The hinge surface adopts multi-layer electroplating process, which is corrosion-resistant, wear-resistant and durable. 3. The top three functions are hinges, door catches and door closers. 4. When the door is opened to 90 degrees, the positioning bead can be locked for positioning. 5. Invisible door hinge, 90-degree positioning design automatically closes the door. Note: Due to different monitors and light effects, the actual color may be slightly different from the image, please allow 1-3mm deviation due to manual measurement Includes: 1 x Spring Hinge