Enkay - Needle File Set with File Block HPI160510 you can use Kyosho Mini-Z

you can use Kyosho Mini-Z Evo dedicated receiver RA-42

and clenched hand

ALuminum Fan Covers

2 can fit snugly inside one compartment of the Mini 4WD Portable Pit (Item 15424)

6 GT-6 including 17mm Aluminum Hex Hubs

Enkay - Needle File Set with File Block HPI160510 you can use Kyosho Mini-ZThese carbon steel files are designed to efficiently remove burrs, resulting in a smooth finish. They are compatible with a wide range of materials including steel, brass, copper, aluminum, pewter, silver, gold, plastic, and wood. Packaged conveniently in a storage case, they also come with an angled file block for added convenience. Includes: 5 Needle Files w Comfort Grip Handles: Flat, Square, Half Round, Three Square, Round Angled File Block: