1. Material: Choose highstrength steel materials to ensure that the bracket can withstand the expected weight load. Apply anticorrosion coating or spray paint to prevent rusting of the product during use 2. The spring has high strength and durability, and the opening angle is 80 ??. For the top lift hardware support, it is suitable for folding beds, folding sofas, folding sofas, cabinet doors with lifting doors, etc 3. The appearance design of the bracket should be simple and modern, with black as the main color tone. Each package includes a left spring hinge and a right spring hinge 4. Easy installation: The installation process is simple and fast, without the need for professional tools and skills. Users only need simple steps to easily complete the installation