Treated with special anti rust coating, these hinges withstand humid conditions, ensuring long lasting in coastal or high areas Precisely engineering ensures noiseless opening and closing, ideal for homes with children or noise sensitive environments Easy Installation: Designed for easily setup without special tools, perfect for enthusiasts or quick renovations, saving time and effort Crafted from iron, these hinges are designed to weight of heavy duty folding doors, providing stability and durability for both residential and commercial applications The unique fold designs enhances door flexibility and adjustable angles, making it ideal for frequently used environments like shops and offices, Manufacturer: Hsyzygian