Access 14-18 Silverado Sierra 1500 5' 8" Box Bed Toolbox Roll-Up Tonneau Cover | eBay
Access Toolbox Tonneau Cover | Toolbox Truck Bed Covers
Back Rack, Tool Box, and Tonneau Cover? : r/Trucks
Wanted to show it is possible for you to have even a larger toolbox with a back rack and still have a tonneau cover also. I didn't use the back brace that
Stowe Cargo Systems® - Hard Hinged Tonneau Cover with Tool Box