Our tool carts keep valuables safe. Their rugged design makes these cabinets the ideal maintenance work stations on wheels. These are constructed using 12 gauge steel and feature a 7 gauge work top with a back guard to prevent tools and parts from falling off. The combination of 6 inches high x 2 inches wide swivel with brake and ridged polyurethane casters make maneuvering easy and can withstand a 2,000 lbs load. A handle is provided for steering.//The tool carts can be locked up when not in use to keep your valuables safe. They are locked with a padlock using our standard 3-point locking system.//These double shift tool carts feature a shelf on each side. On the each side is 1 adjustable shelf. Each compartment is individually lockable.