The Peterbilt 379, 388, and 389 Rear Tool Box is a practical and durable solution for your truck storage needs. Made of stainless steel, this tool box is built to last. It fits most Peterbilt 379, 388, and 389 models, providing a convenient storage space for your tools and equipment. With its sturdy construction and easy installation, this rear tool box offers a reliable and efficient solution for organizing your truck essentials.