The striking hummingbird details on both sides and the front of this mailbox make it more than your average mailbox. The deeply embossed designs show your love of nature and will last through a lifetime of weathering.The Tacoma surface mount mailbox post is made of cast aluminum. Post dimensions are 42" H x 9" Dia. Base. Surface Mount installation is required.This mailbox combination also includes an easy to install locking insert, to help protect from identity theft. Manufactured from rust free powder coated aluminum, the Lock Box firmly attaches to the bottom of the mailbox and cannot be removed without the key. The Lock Box insert is easly installed with four screws (included). Consult your local postmaster regarding regulations governing the installation of locking inserts.