Thick folding hinge: Made of zinc alloy, this product is more durable, not easily deformed, has a longer service life, is anti-corrosion and anti-rust, and the product is strong and durable in humid environments. [Size] 78mm * 29mm, thickness: 2mm, opening: 5.4mm [180 degree flexible rotation] 180 degree or 90 degree flexible rotation angle, smooth opening and closing without obstruction. [Countersunk head design with screw holes] The screw holes adopt a recessed design, which will not scratch or hurt your hands after installation, making it easy and safe to use. 【Multiple uses】 Suitable for wooden boxes, tables, chairs, small cabinets, etc.