The Hanford Rust Free Cast Aluminum Quad Mailbox Post System with Scroll Supports, Mounting Bracket, Fluted Base and 4 E1 Mailboxes, Ships in 2 boxes Single post with four E1 mailboxes Protective, weather-resistant black finish Add ASIN# B074MJPHYD to make this into a locking mailbox The post mounts deep down into your lawn or sidewalk and is made from solid cast aluminum Dimensions: 19L x 36W x 69H inches Weighs: 45 lbs., Mailbox dimensions:6-3/4" W x 8-3/4" H x 19" D