Doors include a heavy duty cam lock with a dust/rain shield and 3 keys, MB1 doors: 13-1/4"" W x 3-1/4"" H, 11 Doors high, Configurations that are 1 door wide (single column), A compartment equivalent to two 3-1/4"" high standard doors is used for outgoing mail collection and is labeled ""Outgoing Mail"", The front of the outgoing mail compartment is comprised of 2 fixed panels and there is no master commercial lock access door, Outgoing mail compartment includes a 10-3/4"" H x 3/4"" H mail slot and weather protection hood, Include factory installed 3/4"" W x 1/4"" D trim and 1 or 2 heavy duty rear access door(s) with latches and continuous hinges, Parcel locker doors include master commercial lock(s), Color: Aluminum, Dimensions: 16, 375"" W x 41"" H x 17"" D, SKU: SBRI1593