The Landover mailbox post is constructed of reinforced extruded aluminum and steel to resist rust and provide an extended service life. The decorative aluminum post and finial, with a steel cross arm, features a unique and stylish design that will enhance the curb appeal of any property. The Landover will accommodate any standard, large or extra-large mailbox. This post comes complete with a mounting bracket and mounting hardware, fashioned with a hollow stem to easily slide over a 4 in. x 4 in. wood post (sold separately) for quick, hassle-free installation. Size: 4.25 In. Color: Black.