High-Quality and Durable Material: The Mechanical Code Lock is made of the highest-quality zinc alloy, which provides exceptional quality, durability, and rust-proof properties, all of which contribute to its long service life. Waterproof and Versatile Lock: With water-proof properties, this lock is suitable for use with wooden doors, patio doors, courtyard doors, and both indoor and outdoor applications. You can use it with confidence in any environment. Sturdy Fixing Bolt Design: The lock features a sturdy fixing bolt design that eliminates noise and provides you with a quiet experience, giving you a new and unique using feeling. Keyless Entry Design: The Mechanical Code Lock features a keyless entry design that ensures peace of mind and provides you with added convenience. Its quality is guaranteed for optimal performance. Completely Mechanical Design: This mechanical code lock does not require batteries or wired power, making it easy to install and operate. It's a great choice for those looking for a reliable and low-maintenance lock., Manufacturer: Hilitand