OP, this is the way.Probably not the solution you're looking for, but I made mine using uni-strut (from the electrical dept at Lowes/ Home Depot) and some pre-drilled angle. It's secured in the truck at the front to a piece of plywood bolted to the front bulkhead using the existing threaded holes. The tab hanging off the side in the rear bolts to the cargo loop by the tailgate. The slides themselves are repurposed from somewhere, probably an old toolbox. I don't remember where I got them. The fridge platform was made with more angle and some aluminum honeycomb panel I had, but thin plywood would have worked, too.
This works for me because I have a topper camper and everything is enclosed.
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