MaterialMade of solid zinc alloy, this folding hinge has a smooth surface, rust-proof and corrosion-resistant. DurabilityThe hinge with tapered holes improves its stability, and the 180-degree folding hinge design makes it more flexible. Sturdy, easy to open and close, with a service life of more than 50,000 times, very reliable. Round EdgeThe 180-degree folding hinge has a round edge, providing extra protection for people who install. Hinge mounted on the door leaf, 180-degree opening angle, the hinges are not exposed. After closing the hinges, the door gap less than 1 mm, can be used for folding doors. Wide ApplicationsThe zinc alloy hinge can be applied to many household installations, such as desktop computers, sewing machines, windows, doors, folding chairs, wardrobe, etc. Features: Zinc alloy hinges with screws for longer service life. The inset hinges fit perfectly with your folding furniture and lock flat. Elegant design with countersunk and symmetrical screw holes for quick and easy installation. Perfect for joining folding tables, sewing machine tables, desk, dining table and wardrobe, jewelry box repair, model making, storage box and other general uses in your home and business. Specifications: Color: Silver/Gold Material: Zinc Alloy Size: 80mm x 30m