American-style, rust-resistant, reinforced door and window hinges equipped with a silent, self-closing spring.-Reinforced, rust-resistant, American-style door and window hinges equipped with a silent, self-closing spring, suitable for built-in cabinets. Each set includes 10 screws, 2 pieces per set, black. High-quality materials: This hinge is made from high-quality steel, giving it exceptional hardness, strength, and durability, as well as a long lifespan. Solid spring: The product is equipped with a solid spring, making the opening and closing of cabinet doors more responsive and convenient. Electroplated surface: The product's surface is electroplated, resulting in a smooth, burr-free, aesthetically pleasing, and rust-resistant finish. Easy installation: During installation, simply determine the location, align the screw holes, and tighten the screws. Screws. Wide range of applications: suitable for all kitchen cabinets, furniture doors, wardrobes, shoe cabinets, wooden doors, garage doors, shutters, etc.