Standard post for the Oasis or Oasis Jr. mailbox. Post is constructed of heavy gage steel, available in the same colors as the Oasis mailboxes, and is designed to be mounted in concrete. The installer should contact local Postal authorities for mounting height and set-back distance from the road. Choose between In Ground and Surface Mount styles. In ground mount is 46.5"H. Surface mount is 28"H. Post is 4"W.