Hanford Rust Free Cast Aluminum Mailbox Post to Mount 2 Mailboxes Single post with dual mounting plate for 2 mailboxes Protective, weather-resistant powder coated black finish The post mounts deep down into your lawn or sidewalk and is made from solid cast aluminum This is a post with a mounting bracket that will fit 2 mailboxes. Add any of our Lewiston mailboxes or your own to make a mailbox system. Dimensions: 3L x 22W x 60H inches