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. 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 tool carts feature 2 full width adjustable shelves for those larger items.