Arrowmax AM-220021-B Pro Mini 4WD Nut Driver 4.0MM & 4.5MM  [AM-220021-B]

Bench Tool Focus: Arrowmax AM-220021-B Nut Driver for Mini 4WD

Enthusiasts who assemble and maintain Mini 4WD machines will appreciate the Arrowmax AM-220021-B for its straightforward precision. It is engineered to deliver steady control for routine assembly and on-the-fly fixes.

Design Features and Use Cases

The Arrowmax AM-220021-B set contains two sizes, 4.0MM and 4.5MM, covering the most frequent nut sizes encountered in Mini 4WD builds. A black finish helps resist marks and gives a professional finish. These drivers are aimed at Mini 4WD use, so they minimise the risk of damaging delicate parts while providing firm grip on nuts.

Where to Use These Drivers

These tools are appropriate for a wide range of chassis platforms and fit both unmodified and customised cars. They are compatible with MS, MA, AR, and VS chassis to ensure nuts are fastened securely for stable running.

• Chassis Compatibility: MS, MA, AR, VS
• Driver Sizes: 4.0MM and 4.5MM
• Finish: Durable Black Coating

Why Tightening Matters for Race Day

Proper fastening with the Arrowmax AM-220021-B helps preserve setup integrity and reduces mechanical issues. Good assembly discipline contributes to predictable handling and fewer pit repairs.