The Peterbilt 31 Inch Aluminum Battery And Tool Box Set is a practical and versatile solution for Peterbilt truck owners. Made of durable aluminum, this set includes a battery and tool box, providing ample storage space. With a width of 31 inches, it fits most Peterbilt models seamlessly. The set also features a bottom and top step, making it convenient for accessing the truck's engine compartment. This reliable and functional set is a must-have for any Peterbilt owner, offering convenience and organization on the road.