Silent cushion door closing without pinching hand self-positioning door punch Aluminum cutting process, non-die-casting, real material, strong and durable, non-toxic anti-rust, health and environmental protection Size: 4mm space aluminum thickened sheet, other as shown The surface is anodized to strengthen the hardness of the hinge, and not easy to corrosion, rust-free Package: 10pcs hinges, Manufacturer: Shun Yingtong