Mail Boss In Ground Mailbox Post, 43inH x 4inW x 4inD, Granite

Mount your mailbox on a heavy-duty post The sturdy post is crafted of 10-gauge and 14-gauge galvanized steel. Post features a durable powder-coated finish. 4 mounting bolts are included. This post can be used for deep installation. Post can fit over a 4in x 4in wooden post and may be secured with a reinforcing bar. Mailbox post is compatible with all Mail Boss locking mailboxes (sold separately). Meets United States Postal Service specifications. Instructions included.