Aluminum Mailbox with 30 Doors - Rear Loading - Secure and DurableAluminum Mailbox with 30 Doors The Aluminum Mailbox with 30 Doors is a durable and secure solution for private mail access. Featuring rear loading compartments and a powder coated finish, it is ideal for schools, corporate mail centers, and government agencies. Key Features: Durable Construction: Made with 20 gauge steel compartments and 1 4" thick extruded aluminum doors. Secure Access: Each door includes a 5 pin cylinder cam lock with 2 keys.