It depends, and that's not the Poise kind. Where and what are you wheeling in? Solo or with a group?
My wife and I do a lot of solo runs, almost all of it in mountains where water is always someplace not too distant. For what it's worth, my check list (this is for a decidedly non-metric Jeep with both a welder and York OBA):
Willys Tools/Supplies
TOOLS:
¼ DRIVE SOCKET SET; Craftsman fine tooth ratchet, Blackhawk breaker bar, Craftsman 1 ½ and 3” extensions, 6 pt sockets 5/32 through 9/16 (Craftsman, Proto and SK)
3/8 DRIVE SOCKET SET; Challenger ratchet, breaker bar and 3” extension, Truecraft 6” extension, universal, 5/8 spark plug socket, 3/8 x ¼ adapter (Wright), 1/8 through 3/8 ball tip hex drive sockets, 3/8 through 1” 12 point sockets (Proto, Blackhawk, Stanley, Husky (USA))
WRENCHS: Craftsman ¼ through 1" combination wrench set, 6 and 10” adjustable wrenches (Crescent and Proto)
PLIERS: 10” Craftsman groove joint, 6.5” Diamond slip joint, 6.5” Klein needle nose, 5” Craftsman diagonal cutters, Visegrip 4LN needle nose, Visegrip 7WR
SCREW DRIVERS: Enderes Combination screw driver (3/16 x ¼ flat blades, #2 x #3 phillips), Yankee flat blade ratchet, General #1 x #2 phillips ratchet
MISCELANOUS TOOLS: Craftsman tire stem tool, Holug wire strippers/crimpers, ball end Allen key set (.050-3/8), 12 oz ball pein hammer, 3 lb engineer’s hammer, Stanley adj hacksaw frame with high speed blades, “Grip” multi tool (has set of insert bits), “Jeep” multitool, Weather Pack terminal tool
MISCELANOUS: three 1” ratchet straps, two Crosby 3/8 cable clamps, Crosby 2” web clevis, ProComp 30’ 7k recovery strap, 10k tree strap, Tmax 8k kg snatch block, set tire deflators, air chuck, blow gun, 25’ Coilhose air hose, tire gage, Mil surplus waterproof match container/matches, Maglite 3D cell flashlight, light and heavy leather gloves, 50’ 12 ga extension cord, Milwaukee 4 ½” magnum grinder, 4 extra grinding discs, welding mask, welding gloves, 50’ #1-0 welding cable.
SUPPLIES/PARTS: WD40, high temp RTV, qt oil, qt 85-140 gearlub, qt power steering fluid, qt brake fluid, Gorilla super glue, blue thread locker, JB weld, can Gojo, roll paper towels, roll toilet paper, six 30 gal trash bags, four 36” “wire ties”, approx 40 4 to 8” wire ties, roll 3M electrical tape, roll duct tape, roll Gorilla tape, roll mechanics wire, hose clamps (one #400, two #236, two #72, two #32, one #28, one #24, two #20, one #16, one # 12), line cap assortment, ten’ 3/8 fuel line, 15’ ¼” high pressure nylon line with approx 15 adapter fittings to adapt to invert flare and 1/8-1/4” NPT), Allen head cap screws (10-32 through 3/8, up to 4” long, 2 each), Nylock nuts (#8 to ½” NF and NC, six each), wire terminals/splices (10-12, 14-16, and 18-20; GM spade, Weather Pack; about 6 each), extra fuses (ATM and SFE), fan belt, 2 drive flanges, about 2 lbs each 1/8” 6011, 6013, 7014, and 7018 welding rod.
GENERAL: TrueTemper double bit axe, Mil Surplus trenching tool, stock jack and lug wrench, 20T bottle jack, Jerry can spout, fire extinguisher (Kidde, 10BC), 50' of #2 welding cable with Tweco quick connect ends for use as jumper cables and welding cables, small and large first aid kits, space blanket, box alcohol wipes, can/bottle opener, matches, bottle 100% DEET, spray can 40% DEET, assortment of bungee cords, Gempler’s tire repair kit. And depending on where I am wheeling, a Stihl 015 or 017 chainsaw.