Preferred Material: The mini hinge is made of zinc alloy. Thanks to the fine structure, it can be opened or closed easily and silently. Using it with screws makes it easier to attach it to cases and boxes.Flexible and Quiet Enough: The bearing ball is firmly connected to the bearing, and the small gap between the bearing and the wing ensures noise reduction and smooth work.Robustness: Thanks to the professional processing of the material and our precise work, ours is robust and very high quality. The anti-corrosion coating assures us that no rust will build up on the door hinge. The trap is weatherproof and has a very long period of use.Better Use: Ideal for making small boxes or boxes. Very easy to use and install.Wide Applications: Suitable for hotels, wooden doors, closet doors, light car counters or tables and other DIY projects. With these small hinges you can make your own pens, pencils or other small boxes or some boxes.