This listing is for a set of 4x, 16x, or 20x bolts available in differing thread lengths. Simply select your required length. 30mm is standard for most vehicles. 25mm is used in the case of using adapter spacers with your wheels, where a smaller thread length than standard is required. These bolts are top quality high tensile carbon steel which is bright zinc plated and offers a degree of corrosion resistance. Some compatible models include: Porsche Taycan, Porsche Panamera, Porsche Macan, Porsche Cayenne, Porsche 718, Volkswagen Touareg, Volkswagen Amarok. The will not fit Porsche that are using alloy wheel nuts. This listing is for alloy wheel bolts only. Suitable for many genuine Porsche wheels, also fits Touareg and Amarok. For our full range check our shop. Thread M14.