QualArc MAN-S-1400BL Manchester with Security Chute Column Mount Mailbox Plain Door in Black None Imported Install a security chute that drops your mail to a locking rear door, ensuring easy retrieval when mounted in a column or wall Have peace of mind knowing that your mail is secured in your Manchester mailbox 16 gauge steel masonry box is electro-galvanized and powder coated inside and out to last a lifetime Faceplate dimensions: 11 x 14 x 1-3/4 inches Box dimensions: 8-1/2 x 11-1/2 x 15 inches Keeps mail out of reach from unwanted hands Features a cast aluminum faceplate and locking chute Sealed from the weather aliments