MATERIAL: These self-locking hinges are made of very thick steel plate, which is strong and durable SIZE: 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 leg practices: folding wooden bed, queen bed, iron bed, dining table, DIY platform, table and other wide applications, can also be used as an invisible bracket, for help create foldable furniture to save space Without mounting screws Color: Black Shipping Quantity: 2 lucky meet Note: The data is manual measurement, please allow 1-5cm error, due to the light and screen differences, there will be a certain color difference, the specific received in kind prevail.