ETL Performance closed end bulge acorn style lug nuts are among the best in the industry. Our closed end bulge acorn style nuts are crafted with precision machined threads to ensure a perfect fit to your vehicle's wheel studs. Manufactured with cold forged and heat treated steel for dependable strength and durability. These lug nuts feature triple chrome plating with essential layers of copper, nickel, and chrome to provide exceptional strength, beauty, and corrosion resistance. Our lengthy multi-point quality control process ensures that every nut we handle is created with the same love and care as the one before it.