A transportable tool box comprising a large compartment configured with upright extending side walls defining a top opening of the large compartment configured with a locomotive arrangement, and two compartmented covers slidingly displaceable over the top opening of the large compartment between a closed position wherein the covers coextend and cover the top opening, and an open position wherein the two covers are displaced away from one another and expose the large compartment to allow access thereto. A locking arrangement is provided for arresting the compartmented covers at the closed position.