Big Red TRJF-C294ABD garage workshop organizer is a portable, stackable rolling upright trolley tool box with multiple storage compartment drawers. It ft. s constructed with steel and polypropylene, a thermoplastic polymer, which provides a durable and stable platform that will hold up in the toughest environments. The overall Dimensions measure 20.5 in. L x 12.6 in. W x 28.4 in. H. The stackable upright trolley tool box is composed of 3 separate parts. The top is a tool box with an aluminum handle and a large, removable storage tray and has a metal latch closure. The middle has 2 slide out drawers that have ball bearings for smooth operation. The bottom has a tilt drawer storage cabinet with the back housing the 2 wheels and the collapsible, telescopic handle with a comfort grip. Each section can be separated or connected depending on your tool storage needs. Ideal for both residential and industrial use. Includes a limited 1-year manufacturer warranty.