• Lug Nut Set | M10x1.25 | 16 Qty | Black • Secure your new wheels with Rough Country Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful black finish for a long lifespan of corrosion resistance and good looks. Acorn bulge nuts provide over 6% more seating surface area than a standard acorn lug nut. These premium lug nuts are the perfect choice for securing aftermarket wheels, and far exceed OEM strength and hardness. • 1901SBLK