Good list- here are my additions that are always in my tool perview: magnets, cardboard (for mocking up in CAD/to lay on /under a potential mess), hose cutoff pinchy things, ratcheting hose cutters, gasoline (as a solvent & degreaser, cleaner), rags, headlamp, grippy nitrile gloves, breaker bar, EvapoRust, toothbrushes, Denatured Alcohol, rubber wheel chocks, 2-3 ton floor jack, an assortment of heatshrink + small butane crack torch... and lastly- fire extinguisher (Ahem...for when you are using your torch/welder near fuel delivery)
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