Small-diameter Lug Nuts - SMALL-DIAMETER LUG NUT SETS Fit all tuner wheels Closed-end design prevents rusting External socket pattern ensures better torque without breakage! Bulge design provides more seating surface than traditional tuner lug nuts. Lugs are made of heat-treated steel, chrome-plated or colored for beauty and strength. Ultra-strong chrome-vanadium steel key. Applications: All Makes All Models