[High Quality]The door lock is made of high-quality solid zinc alloy, polished and beautiful, and rust-proof [Home Security]The anti-theft lock is a security locking device that can be used for hinged swing doors or other ordinary doors. The door can be slightly opened for safe viewing and ventilation. [Easy to Install]The installation is quick and simple using the screws in the package. The process is very simple and almost all homeowners can easily complete it in a few minutes., Manufacturer: Akfldms