Our BEST SELLING mobile supply cart series is perfect for any department where portable lockable storage is needed to conform to current and future regulations. Our carts become your carts when you have fully customized a model to your specific needs. The aluminum cart frames are reinforced for maximum strength and durability. The 4" casters with locking brakes enable the cart to be easily moved long distances. You can add a side tray or side table for extra work surfaces or choose from fifteen different options to meet your specific needs.