HIGH QUALITY MATERIAL: The automatic spring door latch is made of solid aluminum alloy, rust and corrosion resistant, not easily deformed, sturdy and durable, and features a high hardness and strength. Unique design: The inner ring is equipped with a spring, and a circular pull ring is used, which is convenient to change. The base is thickened and the handle is cast in one piece with high stability. Easy Installation: Align the door screws with the door and door frame, and screw the attached screws into the wood to secure them in place. The slot can be set up according to your needs and you can install it in minutes. High Security Performance: Although the door latch is small, the material has high hardness and good stability. It is equipped with a spring and is not easy to open accidentally. It is secure and protects privacy. Wide range of applications: the bolt locks are suitable for securing small doors, windows, yard doors, desk drawers, cabinets, tool boxes, storage cabinets, kitchen cabinets, etc. . Color: Black Technical Data: Material: Aluminum Alloy Size: 57 * 43.7 * 42 mm / 2.24 * 1.72 * 1.65 inch Color: black Quantity: 2 * bolt lock 8 * screws Function: The automatic spring door lock is covered with mirror, has a glossy finish and is not easy to fade. The surface is carefully polished, smooth and does not hurt your hands, is durable and durable. Use screws for installation, which are safe, convenient and can be freely installed at different angles. The design of automatic spring insertion ensures stability, and 1 door lock is equipped with 4 screws. It can also be applied to windows, pet cages, attics, wooden garden doors, wooden windows, interior doors of the bedroom, etc. to play the biggest role. Note: 1. Due to manual measurement, please allow 1-3cm measurement deviation . 2. Due to the different monitors and lighting effects, the actual color of the item might be slightly different from the color showed on the picture. THANKS. Packages include: 2 * bolt lock 8 * screws