These wheel lug nuts 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. [Porsche 911: 1980, 1981, 1982, 1983] - [Volkswagen Caravelle: 1995, 1996] - [Volkswagen Combi: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Volkswagen Panel: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Volkswagen Transporter: 1993, 1994] - [Volkswagen Vanagon: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991]