9/16″-18 Lug Nuts are popular for Dodge Ram 1500, 2500 and 3500 Trucks, Dodge Durango, and Dodge Dakota. 1975-2014 Ford E-150, E-250, and 1987-1999 Ford F250 and F350 also utilize a 9/16-18 Thread Size Lug Nut. Available in sets of 20 (for 5 Lug Vehicles) and 32 (for 8 Lug Trucks).