★Make sure that your rollers, mass dampers, etc. stay securely tightened with these aluminum lock nuts. ★The resin section ensures that the nut stays securely fastened even during high-octane Mini 4WD races. ★These nuts come with a jazzy blue anodized finish to add a splash of color to your machine. Compatible Chassis All Mini 4WD and Mini 4WD PRO cars

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