1/2 breaker bar, I carry a large c clamp for fixing stuck brake calipers (rescued more than one buddy on the trail this way). Complete set of 1/2 in drive metric regular and deep sockets. A set of 3/8 inch drive sockets. An good quality all in one screw driver, a set of torx bit sockets, a set of Allen wrenches in metric, electrical and duct tape, zip ties, fuses, electrical connectors, multi meter, a good set of pliers, various sized sockets that are not included in the sets that work for my vehicle. Extensions for the sockets. A large socket to take the bearing hubs off the front of the jeep in case of a broken front axle. (Did this once on the trail on a winter snow run for a buddy, able to limp him out in 2 wheel drive and a tow strap). Various size hose clamps from 1/2 inch to 2.5 inch. A spare oil filter, filter wrench and oil. Extra gear oil, a razor knife, Crimping pliers for electrical wiring. A bottle jack. Jumper cables. I carry two wrenches of some of the sizes as it just makes life easier when wrenching on my vehicle in the driveway. Extra inserts to put my fenders back on as tend to rub them off on rocks and trees when im off road. Carry spare bulbs and lights for the vehicle and the overland trailer.