[Sturdy and rust-proof] The flap hinge is made of high-quality 304 stainless steel. The surface of the hinge is treated with anti-rust treatment to ensure the corrosion resistance and durability of the product. Thick panels and large bearing surfaces support the load. There are 6 fixing holes distributed around the hinge to make it more stable. [Easy to install]. The table hinges are packed with screw holes required for installation, designed to allow easy and safe installation without hurting your hands. A pack of folding hinges contains 10 hinges, which you can choose and install by yourself. 【Reasonable 270】The flexible bearing design and 270-degree center hinge make it safer to use and can withstand more than 50,000 uses, fully satisfying your use for many years to come. Multiple uses: Stainless steel hinges are suitable for a variety of surfaces, such as computer desks, dining tables, sewing machine tables, windows, kitchen cabinets, folding doors and tables, wardrobes, TV