- Specifications: Upgrade your vehicle with our Closed End Bulge Acorn Spline Style Lug Nuts, featuring a chrome finish. Each nut has a thread size of M12x1.50 and a conical 60-degree seat. Compatible with both 19mm and 21mm hex sizes (3/4" & 13/16"), these lug nuts measure 1.38" (35mm) in height. - Fitment: Designed specifically for wheels with M12x1.5 studs and a 60-degree cone seat. Before installation, verify that your lug seats, thread size, and wheel stud height match our specifications. For safe installation, tighten by hand—avoid using power tools. - Includes: This set consists of 24 black closed-end spline lug nuts (M12x1.5) and one lug nut tool key, all elegantly packaged for your convenience. - High Quality: Crafted with triple chrome plating and essential layers of copper, nickel, and chrome, our lug nuts offer outstanding strength, aesthetic appeal, and corrosion resistance. Manufactured from cold-forged and heat-treated steel, they ensure durability and reliability. The precisely machined threads provide a perfect fit with your vehicle's wheel studs. - Use Cases: 1. Perfect for automotive enthusiasts looking to enhance the appearance and performance of their vehicles with durable and stylish lug nuts. 2. Ideal for replacement in vehicles needing reliable and robust lug nuts for daily driving or specialized applications. 3. A necessity for DIY mechanics performing wheel changes or upgrades, ensuring a secure fit without the risk of damage from improper installation. These lug nuts are the essential solution for maintaining wheel integrity and enhancing vehicle aesthetics.