[Robust and Rust-Resistant] The hinge is made of high-quality 304 stainless steel. The hinge surface is anti-rust treated to ensure corrosion resistance and product durability. Thick panels and large support surfaces bear the load. There are 6 mounting holes distributed on the hinge for greater stability. [Easy to Install] The hinges are equipped with screw holes required for installation, designed for easy and safe installation without hurting your hands. A package of folding hinges contains 10 hinges, allowing you to choose and install them yourself. [Reasonable 270] The flexible bearing design and 270-degree center hinge make it safer to use and can withstand more than 50,000 applications, so you will enjoy it for many years to come. Multiple Applications: Stainless steel hinges are suitable for various surfaces, such as computer desks, dining tables, sewing machine tables, windows, kitchen cabinets, doors and folding tables, wardrobes, TV cabinets, bookshelves, cruise ships, yachts and other furniture accessories.