Mail Boss 7121, Black in- In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox,

Post made of heavy-duty 10- and 14-gauge electrogalvanized steel Features durable powder-coated finish Can be used with a wooden post for deep in-ground installations Includes 4 mounting bolts and clear instructions Accepts all Mail Boss brand Locking Security Mailboxes