Why McGard Spline Drives? Why spend thousands of dollars on expensive wheels only to secure them to your precious vehicle with cheap, rust-prone, wheel locks? McGard Lug Nuts incorporate the latest technology and the best quality into every application. Don't take the chance of your lug nuts rusting to your studs or worse, busting off and losing a wheel! Superior Drive Design The precision fit and efficient drive angle of the splines provide greater torquing power where you need it during installation and removal. In fact there is 59% more positive engagement over socket style lug nuts, even with no stud intrusion into drive tool area. Stud intrusion dramatically reduces socket style tool engagement. More Stud Engagement Exterior drive splines allow deeper stud engagement of our lug nut vs. socket style nuts that use up to 34% of their length for tool engagement. There is no compromise between stud engagement and tool engagement with SplineDrive lug nuts Greater Seating Area Compared to socket style lug nuts our lug nuts have 26% more seating surface. DacrometTM plating on the cone seating surface enhances torque tension characteristics. Spline Drive Lug Nuts are the safest tuner lug nuts on the market. * All the hardware that you need to install 4 wheels and tires * Lug nuts guaranteed for life not to chip, peel or rust * Engineered to fit small lug nut holes in Tuner wheels