The Berkshire Curbside Mailbox presents an impressive face. The one piece cast aluminum door features deeply cut details with a rich, leather grain textured panel. The stainless steel spring hinge and magnetic catch will keep the door secure and the rust proof cast aluminum body construction creates a weather resistant mailbox. The Springfield Series Mailbox Post is a 4″ x 4″ x 78″ smooth square post with decorative finial and mailbox mounting arm. Made of durable aluminum construction with a powder coated finish. Direct Burial Installation required.