Salsbury Industries 3703S-01ZRP 4C Horizontal Mailbox, Bronze Unit Dimension: 16-3/8" W x 13" H x 17" D Door Size: (1) 13-1/4" W x 3-1/4" H Single Column Include factory installed 3/4" W x 1/4" D trim and a solid rear cover Parcel locker doors include master commercial lock(s)