Wide Range Of Application: This self locking hinge can be used for DIY tables or beds, as well as for workbench support or folding table expansion. You can place them on the bed legs or table to adjust the height and angle according to your needs. Not Easily Scattered: Using riveted connections that are not easily scattered, this 90 degree self locking hinge is made of thickened steel plate with a sturdy structure and a surface galvanized coating that is antirust, durable and sturdy. Space-Saving And Secure: These 90 degree hinges self locking are designed with spring locking mechanism that automatically locks in the open position, providing additional security and stability. Simply press the latch and fold it down to save more space. Return To 0 Degree Folding State: This self locking hinge can fold back to 0 degree when not in use, making it perfect for places with limited space. It has flexible applications for various furniture and projects. You can easily use it by gently pressing the spring open button to unlock the 90 degree angle. MULTI -APPLICATIONS: Perfect for furniture legs, folding wooden bed, outdoor table, desk, DIY platform, workbench, helping create foldable furniture to save more space, Manufacturer: CQAHDSEVF