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. [Ford Fusion: 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [Lincoln MKZ: 2007, 2008, 2009, 2010, 2011, 2012] - [Lincoln Zephyr: 2006] - [Mazda 6: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013] - [Mazda CX-7: 2007, 2008, 2009, 2010, 2011, 2012] - [Mazda CX-9: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Mazda MX-5 Miata: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Mazda MX-5: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Mazda RX-8: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Mercury Milan: 2006, 2007, 2008, 2009, 2010, 2011]