Tamiya 74131 Mini 4WD (&) Screw/Nut Driver – PRO Precision tools are a great weapon in a successful Mini 4WD racer’s armory. This set includes 2mm (&) screwdriver and nut driver bits with a stylish grip. Compact and high quality, it is very useful for work on Mini 4WD cars. (&) screwdriver bit ensures safe, secure tightening of 2mm screws. Nut driver can be used to tighten 2mm nuts and lock nuts, plus 4mm ball connectors. Ergonomic plastic grip is compatible with 6.35mm hex shank bits. Screwdriver and nut driver bits can be fitted together when not in use, to save space.