MATERIAL: These self-locking hinges are made of very thick sheet steel, which is strong and durableSIZE: the self-locking hinge measures 68 x 63 x 54 mm (L x W x H), 2 .5mm thick, locked at 90 degreesSELF-LOCKING DESIGN - With a robust construction, each self-locking hinge can support heavy furniture that can weigh up to 500lbsGREAT IDEAS FOR SMALL SPACES: These self-locking hinges are perfect for furniture table legs: wooden folding bed, queen size bed, iron bed, dining table, DIY platform, table and other wide applications. can also be used as an invisible bracket to help create space-saving folding furnitureEASY INSTALLATION: Comes with 20 screws and installation instructions, self-locking folding hinges easy to install on furnitureThese 90 Self-Locking Hinges are made of heavy-duty steel, which can support aApproximate 500 lbs. capacity, with solid construction and extension designSelf-Locking, these brackets are tailored to support heavy items and save spacespace, perfect for installing on table legs, bed legs, workbench,the wall shelf and other collapsible constructions.Specifications:Colour: Bronze< p>Material: SteelDimensions: 68 63 54 mm (LWH)Thickness: 2.5 mmPackage content :2 x self-locking hinges 9020 screws