Arrowmax AM-220021-O Orange 4.0MM and 4.5MM Nut Driver  [AM-220021-O]

Precision Nut Driver for Mini 4WD Workshop

The Arrowmax AM-220021-O Nut Driver is a purpose-built tool for the Mini 4WD hobbyist who values accurate assembly. With dual 4.0MM and 4.5MM heads, it handles common nut sizes used during build and setup to keep parts secure and aligned.

Comfort and Grip

The orange handle is shaped for a confident grip and quick retrieval from a busy pit box. The textured profile helps maintain control when tightening or loosening nuts during last-minute race adjustments.

Fits Common Mini 4WD Chassis

Made with Mini 4WD compatibility in mind, the Arrowmax AM-220021-O works well with MS, MA, AR and similar chassis layouts. It is useful for securing body mounts, rollers, and small hardware during setup or repairs.

Support for Accurate Setup

Although not a performance part, this nut driver aids precise assembly and alignment, which is essential for consistent lap times. Using the correct size prevents rounded nuts and helps maintain reliable component positioning.