Product Details: Get your semi truck Ready for the Road Ahead™ with enhanced storage space, with the Pro-Tech Industries 24" x 28" x 24" Aluminum Diamond Plate Step Toolbox. To provide additional storage space, this replacement box gently nestles beside a truck, acting as both a step and hidden storage space. Engineered with a diamond plate aluminum lid for enhanced durability and reliability. FleetPride is your First Click in Heavy Duty®.