[3-Digit Mosaic Combination Lock]: This 4-inch combination lock features a 3-digit code with 999 possible combinations to enhance your home security. Passwords can be easily set and changed at any time, ensuring access is restricted to authorized personnel. [High-Quality Zinc Alloy]: The combination lock bolt is made of solid zinc alloy with a strong multi-layer coating, which is wear-resistant and durable. Its anti-rust properties make it ideal for cabinets and doors, offering reliable protection against moisture and long-term wear. [Easy to Install]: The combination lock bolt fits on the left or right side and can be installed at a 90° or 180° angle. Simply install the black bolt on the cabinet door frame. To begin, just mark the height and mounting holes, then attach the lock to the frame with the included screws. [KEYLESS SECURITY]: The combination lock bolt offers keyless security, ensuring safety with a combination lock. It eliminates the need for keys, making use easier and preventing the hassle of searching for keys. Please note: if you forget your password, you will no longer be able to unlock the lock. [Suitable for Doors, Cabinets, and Windows]: The combination lock with a 110 mm (4 inch) lock fits perfectly on gates, sheds, gardens, patios, pet doors, cabinets, drawers, mailboxes, office cabinet locks, and more.