Unique design provides rugged and economical security for valuable items. The front door has top flange and lockable handles to keep items exceedingly secure. These units are an ideal method for storing and transporting valuable material. The open 2” x 2” wire construction allows for visibility into the unit so items can be checked at any time. Has two 5” swivel casters and two braking casters. Also has 4 donut bumpers. Shelving can be added. When determining the number of shelves include (1) top and (1) bottom. Call for details. See page 763 of our 2011 catalog.