The Fulton 21-inch Black Rural Mailbox is designed for either residential or commercial use. Its 24-gauge, galvanized steel body is ribbed for extra structural strength and coated with an attractive, black, baked-enamel finish. This extra-strong, corrosion-resistant mailbox is U.S. Postal Department approved for rural use, and it measures 8 inches wide, 10-1/2 inches high, and 21 inches long. The mailbox comes fully assembled, and the locking slot and flag are included. An optional nameplate and other accessories are also available. The quality and durability of this mailbox is evidence of the craftsmanship that has made Fulton Corporation a leading manufacturer of sawhorse products, mailboxes, wrecking bars, workbench drawers, and hardware products for the home and construction industry. All Fulton products are produced in the United States by skilled craftsmen.