🔧 What it is
This system typically includes:
- A full-width crossover toolbox mounted behind the cab
- A hard retractable aluminum or polycarbonate tonneau cover that slides over the remaining bed space
- A shared rail or integrated mounting system connecting both components
The result is a sealed, secure, and highly functional storage system built for work trucks and contractors.
🚚 How it works
- The toolbox stays fixed at the front of the bed for tools and equipment
- The retractable cover slides open or closed over the rest of the truck bed
- Both systems are lockable, often integrating with the tailgate lock for added security
- The cover can be partially or fully retracted for flexible cargo space

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