Landover, Black, Aluminum Mailbox Post, Rust Resistant, Painted In A Shiny Powder Coated Finish To Prevent Fading, Adorned With A Decorative Finial & Steel Cross Arm, Supports Up To 60 LB Evenly Distributed, Install Over An Existing 4 x 4 Wooden Post & Compatible With Most Mailboxes, Mounting & Installation Hardware Is Included, Assembly Is Required, Assembled Dimensions 56.4" x 6" x 21.4".