Premium 10.9 grade ball seat style 12mm x 1.50 threads lug bolts. The shank length is 50mm and the total length is 74mm. The hex size is 17mm. These lug bolts fit many OEM or factory Mercedes Benz, Volkswagen, Audi applications. Please refer to the following drawing for exact specification and size. Visit our application guide page for any application related information. Contact us for any questions. Price is for each piece.