(Enhanced Security)This recodeable combination lock adds a 4-digit combination to ordinary door latch locks, allowing you to set up to 10,000 possible passwords, greatly improving your security and privacy. The default password is 0-0-0-0, no key is needed, no worry about losing the key. (Strong and Durable)The combination lock door latch is made of high quality zinc alloy material, solid steel bolt, 10mm diameter, and coated with waterproof coating, which protects the lock from rust and weather, improves wear resistance, hardness, and ensures pick resistance and durability. The handle is also made of solid steel, which is not easy to break and not easy to loosen. (2 Installation Methods)Our combination slide bolt lock supports 2 installation methods, vertical and horizontal. The door latch kit slide latch comes with a lock cover for horizontal use and a metal side door buckle for vertical use.(Note: The latch should be aligned with the lock cover or the side door buckle.) (Easy to