These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Dodge Ram 1500: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Ford Explorer Sport Trac: 2001, 2002, 2003, 2004, 2005] - [Ford Explorer: 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Ford Ranger: 1998, 1999, 2000, 2001, 2002, 2003] - [Mazda B3000: 1998, 1999, 2000, 2001, 2002] - [Mazda B4000: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010] - [Mercury Mountaineer: 1997, 1998, 1999, 2000, 2001]