The RC tools you actually need, from metric hex drivers to a soldering iron. What to buy, what to skip, and a realistic $60-100 starter kit list.
I've bought a lot of tools I didn't need. Ratcheting driver sets with 40 bits, a magnetic parts tray shaped like a skull, a "complete RC toolkit" off Amazon that came in a nice zip case and fell apart inside a month.
Working on RC cars is mostly turning tiny metric screws with a hex driver. Get that part right and you're most of the way there. So this is the list I'd hand a friend who just picked up their first Traxxas or Arrma and wants to wrench on it instead of paying the hobby shop $40 to swap a diff.
Almost every screw on a modern RC car is a metric hex head. Not Phillips, not Torx. And you'll use four sizes for nearly everything: 1.5mm, 2.0mm, 2.5mm and 3.0mm. The 2.0 and 2.5 do most of the work on suspension screws, shock caps and motor mounts. The 1.5 is for set screws on pinion gears and small grub screws. The 3.0 shows up on bigger 1/8 scale stuff and on wheel hardware for some rigs.
Buy nice drivers here. This is the one place I won't tell you to go cheap, because a soft or slightly oversized tip will round out a 2mm screw head, and a rounded screw on the inside of a shock tower is a miserable afternoon. A hardened tip bites and stays biting.
My pick is MIP (Moore's Ideal Products). Their Thorp-style hardened tips last for years and the handles have the spinning cap so you can palm them. A set of four costs more than the bargain bin, but I've had the same MIP 2.0 for about six years. ProTek RC is the other one I'd point you at, cheaper than MIP, still properly hardened, and their sets go on sale constantly.
Skip the giant sets. You don't need SAE sizes, this is a metric hobby. You don't need eight nut drivers, and you don't need the ball-end versions yet. Ball-ends are handy for reaching a screw at an angle but they strip heads faster if you lean on them.
Once you've got drivers, a handful of specialty tools cover the rest of the car.
A turnbuckle wrench. Adjusting camber and toe means twisting turnbuckles, and doing it with pliers chews up the threads. A proper wrench sized for 4mm/5mm turnbuckles grabs the flats and spins them clean. Ten bucks, saves you a set of links. MIP and ProTek both make them.
A body reamer. Mounting a new body means opening up the holes for body posts and cutting the wheel arches. A reamer makes clean round holes that don't crack, where a drill bit grabs and tears polycarbonate. Five dollars, and it stops a $35 body from splitting on its first hard landing.
Shock pliers. They hold the shock shaft without scratching it while you unthread the rod end. You can get away without them until the day you gouge a shaft and it starts leaking oil past the seal every run. Then you'll buy them. The shock rebuild guide explains why a scratched shaft ruins a rebuild.
Digital calipers. Buy the cheap ones. You're measuring ride height, shock length and gear stuff to a tenth of a millimeter, not doing machinist work, so any $15 digital caliper that reads metric is fine. It'll change how you set up a car once you can measure both sides instead of eyeballing them.
A hobby knife. X-Acto or equivalent, for trimming bodies, cleaning flash off new parts and cutting tires off wheels. Buy a pack of spare #11 blades, because a dull blade slips and a slipped blade in RC almost always finds a finger.
This is the tool that unlocks a different tier of the hobby. Once you can solder you stop being dependent on pre-wired everything. Swap a motor, change a battery connector from the Traxxas plug to XT60 or XT90, fix a broken servo lead, build your own harnesses. Every ESC and motor upgrade gets cheaper because you're not paying for pre-soldered convenience.
For years the answer was a bulky station. Now I'd get a Pinecil or a TS101, which are USB-C pen-style irons that heat up in a few seconds and put out real wattage. You want at least 60W of actual power for RC work, because battery and ESC wire is thick (10-12 AWG) and a thin iron can't dump enough heat into a big connector to make a clean joint. A cold joint on a battery lead is how you get a connector that melts under load.
Get a chisel tip rather than a fine point, since you want surface area to move heat. Add a small roll of 60/40 leaded rosin-core solder, which flows easier than lead-free, and some flux. That's the kit. Practice on scrap wire before you commit to your good ESC.
You don't need this on day one, but it's the upgrade I'd make before anything else once the basics are covered. A decent USB-C iron is under $50 now, which would have sounded like witchcraft back when a Hakko station was the entry point.
Roughly in the order I'd buy them. This covers nearly every job on a modern RTR or kit without a second trip to the hobby shop.
That's a real kit for under a hundred bucks and every piece earns its spot. Add shock pliers and the soldering iron when you hit the jobs that need them.
You don't have to buy all of this new either. Plenty of us upgrade drivers or clear out a pit bag, and the old gear is perfectly good, so it's worth a look through the used listings before you pay retail. The deals page catches the tool sales when they run. And if you're still deciding between a ready-to-run and a kit, kits teach you the whole car and make every tool above pay off faster. I laid out that RTR versus kit tradeoff separately.