Salsbury Industries 4145P-WHT Cast Aluminum Column Mailbox Locking Plain Door, White Feature a plain door design Accessed from the front through a locking 8-1/2" W x 6-1/2" H door and include a gold finish lock (with 2 keys) Mailboxes can be mounted in columns, masonry or walls Salsbury Industries is an ISO 9001: 2008 certified company and has excelled in the field of manufacturing since 1936