1>Socket Set
2>Rachet Multi Driver
3>Plyers, Vice Grips...
4>Gorilla Bar
5>Extinguisher
6>Basket & Cargo Nets
7>Cargo Straps
8>Warn Hitch Shackle
9>Recovery strap
10>Spare Fuses
11>Zip Ties
12>Electric Testers, Tape
13>Glow Sticks
14>Bottle Jack
15>Oil and Lube
16>Leather Gloves, Rope
17>Compressor
18>HD Jumpers

Then add several
Flashlights
Inverter
FRS
The List goes on....

I've come across some nifty tools, thought I'd share
small, compact and useful

Gorilla Bar.. Compact Lug wrench that expands from
12" to 18".. also useful as a 1/2" breaker bar

Sears Craftsman Ultra compact Socket set.
Closed, measures about 12"X 6" x 2"
Rather Complete 3/8 drive set
I added and 3/8 to 1/2 socket and a deep socket set.
Covered from 2mm to 24mm
Add a multi head Box Wrench below
(each wrench covers 8 sizes by flipping the heads)

DeWalt Multi-Driver
Heavy Duty with a ratchet head
Covers all the screwdriver heads, plus it can
work as a light duty hand drill,
1/4 & 3/8 Rachet as well as a Hand Saw

OK.. I love the Swiss Army Stuff
Multi-tools that stay in my console and come with me on different hikes and work

Standard Multi-tool
Auto Tool (built in tire gauge and flashlight)
and the Standard do all Knife

Couldn't resist.. Xtreme Lighter with built in Compass