My Isuzu Dmax is at the end of its lease and I now have no requirement for the box that fits the loss area. As you can see it fits across the wheel arches and has a lockable top. It will take a full length Pelicase, or plenty of other kit. It may fit other pickups but is designed to bolt on to the Isuzu bulkhead. As it's quite bulky and awkward, pickup only from Kent. £150 Ono.
also one spare alloy wheel, used once with Desert Dueller fitted. £50.