Salsbury 4800 Series Deluxe Posts are made entirely of aluminum. Available in 1-sided, 2-sided for two mailboxes, 2-sided for three mailboxes and 2-sided for four mailboxes styles. Accommodate rural mailboxes and post style townhouse mailboxes. Feature a durable powder coated finish available in black, green, beige, white, bronze, copper, brass and nickel. 1-sided deluxe mailbox posts include a 14" W x 3-1/2" D x 3-1/2" H arm. Minor assembly is required Salsbury Industries is an ISO 9001: 2008 certified company and has excelled in the field of manufacturing since 1936.