More Deep Mobile Tub File includes a locking, hinged lid which usually slides behind the system whenever you get access to data. Includes 2 keyed as well keys. Effortless retrieval and filing of saved files are allowed by leading taking a look at design. Tub file has dangling file folders (sold separately). Retailer binders plus much more on easy decreased storage space shelf. Tub file rolls very easily to point of using on 4 2" swivel casters (two locking). Made of robust steel with a mar resistant, powder coat finish. Weight volume is 300 lb.