General Description The waterproof mechanical combination lock is made of zinc alloy, providing strength and security. It has only one set of passwords, with no repeatable numbers. For example, if the password is 123456, it can be opened with 231456. Technical Specifications Condition: Brand New Material: Zinc Alloy Lock Body Material: Steel + Zinc Applicable Door Thickness: 30-60mm Applicable Type: Interior and Exterior Door Password Length: 1-11 Digits Lock Tongue Center Distance: Standard 60mm (70mm Optional) Panel: 142 x 42 x 25mm (Approx.) Lock Body: 14.2 x 4.4 x 6.4cm (Approx.) Compatibility and Accessories This lock is compatible with Doors with a thickness of 30 to 60 mm and are suitable for both interior and exterior use. It comes with screws and an English user manual for easy installation. Installation To install the lock, follow these steps: Position the lock on the door and mark the drilling points. Drill the holes required to secure the lock. Secure the lock using the