McGard Tuner Style Spline Drive Lug Nuts and Lug Nut Kits are designed with triple-coated black or nickel chrome plating to last for life without chipping or rusting. These lug nuts feature a special small diameter spline drive allowing them to be installed into specialty aftermarket wheel lug holes and require a special spline drive tool for installation and removal. The tuner style lug nut kits for 4-lug (16 lug kits) and 5-lug (20 lug kits) vehicles include spline drive lug nuts, wheel locks, a spline drive installation and removal tool, a special wheel lock key tool plus a wheel lock key I.D. card and storage pouch. Individual four packs of spline drive wheel locks are available and include a special wheel lock key tool. Individual four packs of tuner style lug nuts are available but do not include the spline drive tool, which can be purchased separately.