Salsbury Industries 19038-06ASK Cell Phone-3 Unit Surface Mounted-Master Keyed Locks with 8-Inch Diameter Compartments, Aluminum Unit Dimension: 17.5" W x 20" H x 9.25" D Total Usable Compartments: 6 Door Dimensions: (6) 6.5" W x 5.25" H Locking Type: Master Keyed Locks Mounting Type: Surface