#4145 recessed mounted locking column mailboxes are ideal for
columns, masonry and walls. The rough opening dimensions are 10-3/4” W x
12-1/2” H x 15-1/4” D. Locking column mailboxes include an 8-1/2'' W x
6-1/2'' H door and a gold finish lock with two (2) keys. An optional
gold finish non-locking thumb latch (related item #4188) is available as
an option upon request. Locking column mailboxes may be used for U.S.P.S.
residential door mail delivery.