MATERIAL: Made of extra thick steel sheet, strong and durable SIZE: The self-locking hinge is 68 x 63 x 54 mm (L x W x H), 2.5 mm thick, locked at 90 degrees SELF-LOCKING DESIGN: Heavy duty construction, each bracket can support heavy duty furniture, weighing up to 226 kg GREAT IDEAS FOR SMALL SPACES: Perfect for furniture table legs: folding wooden bed, large bed, iron bed, dining table, craft platform, table and other wide applications, can also be used as invisible bracket, to help create foldable furniture to save space EASY INSTALLATION: Comes with 44 screws and installation instructions, folding brackets easy to install on the furniture These self-locking hinges are made of solid steel, which can support a capacity of about 226 kg, with solid construction and self-locking extension design, these brackets adapt to support heavy items and save space, they are perfect for installing on table legs, bed legs, workbench, wall shelf and other folding constructions. Specifications: