[Lock Hinge 180 Degree Sturdy Structure] The 180-degree locking hinge is made of high-quality thickened zinc alloy with a solid construction. The hinge features a leaf table design with smooth sliding bearing steel balls and brass center components, ensuring durability and smooth operation. This folding hinge allows for space-saving functionality, offering both 90-degree self-locking and 180-degree adjustable positioning for added stability and convenience.[180 Degree Hinge Adjustable Positioning] The locking hinge features an adjustable positioning design. By adjusting the hinge screws, the upper and lower flaps can be securely positioned at 0 degrees, 90 degrees, 135 degrees, or 180 degrees. This torque hinge provides flexible and practical angle control for various applications.[Adjustable 180-Degree Hinge and Easy to Install] The adjustable 180-degree hinge allows for precise positioning. Secure it in place using screws for a tight fit on flip table tops or other folding surfaces. This compact hinge is easy to install and suitable for use on folding tables, bi-fold doors, dining tables, and more. Note: Table hinges do not include screws.Easy to Install: Installation is simple and can be completed in minutes.Multiple Applications: Ideal for furniture, table legs, folding wooden beds, workbenches, iron beds, dining tables, DIY platforms, and other projects. Can also function as a simple invisible stand.Size: Approximately 6cm long Material: Zinc alloy Color: As shown Package Contents: 4 x Hinge 20 x Screw Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.