MATERIAL: These self-locking hinges are made of extra thick sheet steel, strong and durableSIZE: The self-locking hinge is 68 x 63 x 54mm (L x W x H), 2.5mm thick, locked at 90 degrees SELF-LOCKING DESIGN : With heavy-duty construction, each self-locking hinge can support heavy-duty furniture, weighing up to 226 kg GREAT IDEAS FOR SMALL SPACES: These self-locking hinges are perfect 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 bracket, to help create foldable furniture to save space EASY INSTALLATION: Comes with 20 screws and a installation instructions, self-locking folding hinges easy to install on furnitureThese 90 self-locking hinges are made of solid steel, which can withstand 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, bookshelf wall and other folding constructions.Specifications:Color: BronzeMaterial: SteelDimensions: 686354mm (LWH)Thickness: 2.5mmPackage Contents:2 x self-locking hinges 9020 x screws