Made of electro-galvanized 20 gauge steel, Salsbury 4600 series traditional mailboxes feature a durable powder coated finish available in four (4) contemporary colors and include 5'' detachable magazine hooks. Designed to be surface mounted, traditional mailboxes are available in standard horizontal (#4610) and vertical (#4620) styles and decorative horizontal (#4615) and vertical (#4625) styles. Decorative style mailboxes feature a window grid design and include a privacy plate option to block visibility of the mail. Factory installed stainless steel locking security kits with two (2) keys are available for all styles of mailboxes as an option upon request. Traditional mailboxes may be used for U.S.P.S. residential door mail delivery.