Scientific positioning holes: No trenching, scientific positioning holes, convenient and simple installation.Thickened hinges: Thickened hinges, strong bearing capacity and long use time.Bold bearing: bearing steel ball, cushioning the frictional resistance of the switch hinge, to achieve a mute effect.Preferred zinc alloy material: made of preferred zinc alloy, it can be used for a long time and is not easy to rust.Preferred zinc alloy material: zinc alloy carving process, corrosion resistance, not easy to rust, and good performance.Product material: zinc alloyProduct style: flat hingeUse range: all kinds of wooden doors/indoor doorsProduct accessories: free mounting screwsPackage contains: 1x hingenotes:1. Since manual measurement is required, please leave a space of 1-3 cm.2. Due to screen differences, the color may be slightly different from your expected color, please allow.(Only sell the main products, not other products)