The File Cabinet Dolly by Office Dimensions is an easy solution when you need to make a stationary file cabinet mobile. The product can be adjusted to accomodate 30", 36", or 42" wide lateral files cabinets. It also adjusts for units that are 18", 18.63", 19.25", or 24" deep. Each cabinet dolly features for swivel casters, or wheels. Two of the wheels feature locking mechanisms to keep your lateral file cabinet in place. This cabinet dolly can also be used to move metal storage cabinets in addition to lateral filing cabinets.