The Hanford Rust Free Cast Aluminum Quad Mailbox Post System with Scroll Supports, Mounting Bracket and 4 Economy Mailboxes, Ships in 2 boxes Single post with support braces and four E1 mailboxes Protective, weather-resistant black finish Add ASIN# B074MJPHYD to make this into a locking mailbox Dimensions: 19L x 36W x 69H inches Weighs: 45 lbs. Mailbox dimensions: 6-3/4" W x 8-3/4" H x 19" D The post mounts deep down into your lawn or sidewalk and is made from solid cast aluminum Post, Fluted Base and Support scrolls are all cast aluminum and will not rust. Upgrade to our Lewiston mailbox system if you want aluminum mailboxes. Protective, weather-resistant black finish Made from solid cast aluminum and steel in the USA Dimensions: 19L x 36W x 69H inches Weighs: 45 lbs. Mailbox dimensions: 6-3/4" W x 8-3/4" H x 19" D The post mounts deep down into your lawn or sidewalk and is made from solid cast aluminum