I have something very similar to this (looks like they added those tiny screwdrivers since I bought mine):
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The bottom drawer comes empty so I added a set of needle nose and channel locks, vice grips, diagonal cutters, a BFH, a 21mm wrench for LCA bolts, a hub nut socket and a pinion nut socket, crows feet for jam nuts, and some other odds and ends like JB weld, duct tape, electrical tape, zip ties, bailing wire, electrical wire, crimpers, and crimp connectors, etc. It was majorly convenient to have on my last trip and I actually ended up loaning tools to the other guys several times as well as doing some stuff to my own rig. A ball joint problem is probably the only thing I wouldn't be somewhat well-prepared for but I don't often wheel in the kind of territory that kills a ball joint on the trail.
It's my go-to toolset when working on the Jeep even in my garage so every time I find a new TJ-specific tool that isn't already in the box, I just re-home it to the bottom drawer or to the open spot in the top shelf.