Constructed of 22-gauge steel, these SANDUSKY/LEE Mobile Storage Cabinets withstand the rigors of everyday use. Shelves adjust on 2" centers. Doors secure via a recessed three-point locking handle. Patented reinforced caster base includes 6"H swivel polypropylene casters (2 with brake). Optional push handle eases maneuverability. Choose standard 36"W cabinets or 46"W units that offer 40«M,6[n-dash]»70% more storage capacity. 5-year limited warranty. Ships set up. Made in USA.