Compact and Elegant: The mailbox lock body comes with a key specifically designed for this padlock. Additionally, it features a metal locking bolt. Suitable for materials less than 11mm thick, it can be installed on most cabinets and drawers Material: This high-quality zinc alloy mailbox lock delivers a robust and durable security solution. It effectively resists and forced entry, utilizing high-security cylinder technology to minimize key compromise risks Functionality: Rust-proof . The chrome-plated lock body offers exceptional rust resistance, providing lasting even in humid environments. Ensures your mailbox remains protected from moisture corrosion in for all weather conditions, preventing water ingress Versatile Applications: This lock is not only suitable for mailbox security but can also be installed on cabinet doors, drawers, safes, filing cabinets, toolboxes, display cases, and other furniture Simple Installation: Mailbox lock installation steps: ① Drill an 18mm diameter hole, ② Insert the lock cylinder, ③ Tighten the hex nut, ④ Adjust bolt position and secure with screws. (Select a lock cylinder 5-6mm longer than the lock body thickness to easily tighten the 4mm hex nut (plus 1-2mm thread length), Weight: 0.28219169536 pounds, Manufacturer: CYDZSRA