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 the furniture Product Description These self-locking hinges are made of strong steel, which can withstand a capacity 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 installation on table legs, bed legs, workbench, wall shelf and other folding constructions. Specifications: Color: Black Bronze Material: Steel Dimensions: 68 63 54mm (LWH) Thickness: 2.5mm Package Content: 4 x Folding Brackets 40 x screws