MATERIAL: Made of extra thick sheet steel, 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: Sturdy construction, each bracket can support heavy-duty furniture, weighing up to 226 kg GREAT IDEAS FOR SMALL SPACES: Perfect for suitable for furniture table legs: folding wooden bed, large bed, iron bed, dining table, DIY platform, table and other wide applications, can also be used as an invisible support, to help create foldable furniture so save space EASY INSTALLATION: Comes with 40 screws and installation instructions, folding brackets easy to install on furniture Product These self-locking hinges are made of strong steel, which can withstand a capacity of approximately 226 kg, with a solid construction and a design self-locking extension ion, these brackets adjust 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: Color: Black Bronze Material: Steel Dimensions: 686354mm (LWH) Thickness: 2.5mm Package Contents: 4 x folding brackets 40 x screws