High Quality: This hinge is made of high quality steel, sturdy and durable, not easy to rust or deform, it has strong load bearing capacity and long service life. Unique design: The hinge is equipped with a strong spring, which is very flexible and has a strong load capacity. It allows the hinge to rise and fall very easily and stably without making noise. 80 opening angle: this hinge can open the cabinet lid to an opening of 80 degrees, which is convenient to organize and take things out. Convenient and practical: This hinge is easy to install. You can fix it with screws and it is very easy to use. The cabinet door can be opened at an 80 degree angle, which is convenient for organizing or taking out items Multiple uses: suitable for folding beds, folding sofas, closet doors , etc. And there is a pair of hinges in this package, one left and one right. Features: Material: cold rolled steel plate. Scope of application: cabinet doors, sofas, etc. Life span: opening and closing more than 50,000 times. High-quality springs guarantee resistance and long life, with an opening angle of 80. Size: as shown Color: Black Quantity delivered: 2 pieces