EASILY FOLD, LOCK AND FOLD: Self-locking, when you bend the leg, just press the hinge button. SAVE SPACE: Folding brackets can snap at 90 degrees. When you want to pinch the table, just press down on the relaxation arm. Suitable for tight spaces. Create foldable furniture to save more space. EASY TO INSTALL: They're easy to set up and fold up, so you can build a folding shelf stand or a small wall-mounted folding desk for your home or garage. APPLICATION: Perfect for furniture legs, foldable wooden bed, outdoor table, desk, DIY platform, workbench, wall bracket, table, homemade table, foldable divider frame , the folding door, wherever it is necessary to use legs for extension tables, etc. MATERIAL: Made of heavy gauge sheet steel, some force is required to open. Self-locking folding hinge for table legs. For added security, these hinges have a "forced lock spring-loaded that provides stability by locking in the open position. Adjustable 90/0, when not using the desk or work surface, only press the release button and fold it down for more space. Technical Data: Material: High tensile steel Color: Or Size: 65*45*60mm / 2.55*1.77*2.36inch Package Content: 4 * Folding Hinges Note: mounting screws are not included lucky meet Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference , there will be a certain color difference, the actual object received shall prevail.