A Plus Warehouse is your source for quality heavy duty cabinets. Heavy duty cabinets normally have a capacity range of 500-1000 pounds per shelf. Heavy duty cabinets are used for the military and industry where an office cabinet just doesn't handle the requirement. For the most part, heavy duty metal cabinets by A Plus Warehouse are all welded, set up ready to use. If you do not see the size or description of cabinet you require , call us at 800-209-8798 - A Plus Warehouse does special orders in any quantity.