An ultra protective tonneau cover for your bed, plus a built in tool box! That is what you need. And you can find just that at AutoAnything. We specialize in providing you with everything you need to get the most out of your truck. Like GMC tool box tonneau covers.
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Get a tonneau cover that fits with your toolbox in place. The Extang Toolbox Tonneau Cover is custom-designed with a heavy-duty leather grain black vinyl tarp to cover, store and protect your valuables. Fits 18” to 21” deep toolboxes. 10-year warranty on tarp; Lifetime Warranty on frame.
Our GMC tonneau toolbox has a safe and secure tool box combined with a heavy duty tonneau. All of your personal tools and supplies will be safe and sound. And our GMC tool box truck cover is backed by a lifetime warranty! Plus, we have a huge selection of other great GMC accessories designed just for your truck.