Halfords tool kit inc sockets spanners etc.
Breaker bar.
Hi-lift Jack.
WD40.
Cable ties.
Odd bits of cable.
Leatherman multi tool - brilliant investment!
A jar of many things - washers, bolts, screws, choc-blocks.
Tow rope.
Shackles.
Couple of extra lights. Just coz I bought new ones, and thought I may as well chuck the old ones in the box incase I break one.
Some old screwdrivers.
Disposable poncho!
Some coolant.
Engine oil.
EP90.
Brake fluid.
This is all in a truck cab btw, stored behind my seats.
- apart from the highlift which is in the back!
I bought a couple of ex MOD ammo cases, as they're waterproof - and fit quite nicely behind the seats.
All the time I have been driving my landy, the majority of stuff has been used to fix various suzukis and jeeps on the way home from pay and plays!
My landy just keeps chugging like a tractor!
If I had to choose two, I'd pick the leatherman, and the socket set.