Built a storage box to hold: ratchet / sockets, screwdrivers, crescent wrench, recovery gear, spare fuses, duct tape, boots, towels, a shovel, gloves, a hammer, a hatchet, 200ft of 200lb test rope, ratchet straps, tire chains, saw, paper towels, climbing caribiners, spare electrical wire, electrical tape, spare headlight bulb, and other misc. stuff. Beside my storage box I have a Rockford Fosgate amp/ 12" sub w/ enclosure, a small cooler, 2 gallons of emergency water, and a bug out bag.