Brand: Power Hobby
Part Number: PHBTRX632
Power Hobby Tool kit Nut Drivers 4 / 5 / 6mm Hex 0.05 1.5 2.0 Hex FOR Traxxas TRX-4M (part #PHBTRX632), made for the Traxxas TRX-4M. Drivetrain parts take every bit of motor torque; a stronger shaft or axle keeps power going to the wheels without breaking.