Truck tool box tonneau covers are for people who want a tonneau cover but dont really want to give up the advantage of owning a truck tool box. Owning a tonneau cover has some great advantages such as protecting your cargo from the weather and keeping your cargo out of sight from people who like to take things that dont belong to them. A tonneau cover can also increase your gas mileage. With todays gas prices this can make owning a tonneau cover all by itself worth the cost of purchasing one.
You can have all the advantages of owning a tonneau cover and still have a truck tool box to protect and store your tools. Different companies such as Extang with several different models of tool box tonneau covers which require you to either have a truck tool box or purchase one. Access also has a tool box edition which you also have to purchase or own a truck tool box.
Reds Beds offer an aluminum diamond plate tonneau cover which accepts a truck tool box but they also offer a diamond plate aluminum tonneau cover which includes an aluminum diamond plate truck tool box. Truxedo has the Truxedo plus which is a truck tool box tonneau cover with the truck tool box built into...