[High Quality Material] It is made of high quality aluminum alloy, strong and durable, not easy to rust. The special design makes it different from traditional locks and increases security. [Unique Design] The inner ring is equipped with a spring and a circular pull ring, easy to replace. The base is thickened and the handle is integrally molded with high stability. [High Safety Performance] Although the latch is small, it has high hardness and good stability. Equipped with springs, it is not easy to open by mistake. It is safe and protects privacy [Easy Installation] Align the door screws with the door frame, then screw the attached screws into the wood to secure them. This slot can be installed as needed, in just a few minutes. [Wide Use] Bolt locks are suitable for fixing windows, desk drawers, cabinets, storage cabinets, etc. ., to better protect the privacy and security of you and your family.Product Information: Material : Aluminum Alloy Color: Black And White Size: As Picture Shows Function: The appearance is exquisite and simple, sealed and welded, and the bottom is thickened and reinforced, which is not easy to break and deform, and is strong and durable. The surface of the lock bolt is brushed and polished, very smooth, without burrs, the position of the countersunk screw is beautifully designed, and the fixing screw does not protrude. The inner ring of the door lock is equipped with a spring, and the internal spring is reset and the door lock is restored to the locked state, which increases security. High-quality automatic door locks provide additional security for doors and windows. Adding a lock can improve security. Product List: 2 * Exterior Window Lock (Black) 2 * Exterior Window Lock (White) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We hear the style is the same as shown in the picture. Due to different measurement methods, there may be an error of 1-3mm. Lonvre