【Bidirectional Opening Function】- The hinge can be used to open doors. You can open the door freely in both directions, and the door always returns to its original position. Pivoting or bidirectional hinges can ensure secure closing control for large or small swinging or double-action doors. 【Noise Minimization】- You can adjust the elasticity with the included Allen key. Each hinge has 4 holes to ensure a firm connection. Thanks to the swing hinges, there is no squeaking when opening or closing the door. So don't worry. The exquisite spring hinges can add beauty to your door. 【Exquisite Craftsmanship】- The hinge is made of high-quality stainless steel, is corrosion-resistant and does not rust easily, and can be used for a long time. The load-bearing capacity of each door hinge is 8 kg, so it won't break or deform easily. The surface of the hinge is polished, smooth, and burr-free, giving it a beautiful appearance. 【Easy Installation】- Installation is very simple. First, determine the