Left drawer - LARGER ITEMS: First Aid kit, gloves, air Tools, air hose, air grinder kit, air cut off wheel, Dewalt drill, head lamp, HF Drill, socket set, strap, air down tool, Drill Bits, 1 small box for all electrical components/spares/tools and one box of misc bolt/screw/nut stuff etc.
Right drawer - MOSTLY SMALL ITEMS: Axe, tie downs, window rods, spare engine ECU, deep impact sockets, taps, dies, screw drivers, plyers, hammer, mallet, bungees, side cutters, tin snips, overalls, shoes, hack saw, tire chuck, another pair of gloves, plumbers tape, spare wind up flashlight, lock tight, markers, matches, rattle snake kit, bailing wire, zip ties, hole saw, spare fuel pump/fuel filter and a few more drill bit sets, etc.
All this stuff is in my rig 24 hours a day.