VMS Racing’s conical seat lug nuts are manufactured from aircraft gradeA7075-T6 forged aluminum. Theyfeature a hard anodized coating for a long-lasting finish and superior durability. The conical seat of the lug nut isdesigned for compatibility with most aftermarket wheels with stud conversions, to ensure your wheels are safely secured. This lug nut is open-ended, so no need to worry if the studs in place are too long.