Features: 103 tongue lock zinc alloy mailbox lock is made of high quality zinc alloy material, which has the characteristics of corrosion resistance, rust prevention and compression resistance, ensuring the long service life of the product. The lock has powerful anti-prying and anti-shearing functions, providing effective protections and safety, and ensuring the safety of items in the mailbox. The product is easy to install and operate, and the user can easily turn the key to open or close the lock. 103 rotary tongue lock adopts rotary tongue design, when locked, the tongue will completely extend into the lock body, which increases the connection density between the lock body and the lock tongue and improves the safety. The lock has good waterproof and dustproof performances, and is suitable for use in various outdoor environments and bad weather conditions. Specifications: Type:1,2,3 Color:Silver Material:Zinc alloy Size:As Picture Shows Quantity:1Set Note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays. Package includes: 1Setx Lock