Durability heavy-duty structural foam construction with a steel reinforced base deck. Mobility industrial grade 6 x 2 inch Non-marking, rubber round tread casters with total locking brakes. Organized storage dedicated storage areas for frequently used tools like a cordless drill and pipe benders, drawer for secure storage and a large open storage area with a 4-1/2 inch Sidewall to keep fasteners, fittings and small parts boxes secure and organized. Versatility - work carts can be customized for specific work applications with several trade accessories that mount to the front of the cart and can be used by electrical, plumbing, mechanical and maintenance trades.