Conical seat style 14mm x 1.50 threads lug bolts. The shank length is 28mm and the total length is 52mm. The hex size is 17mm. These lug bolts fit many Mercedes Benz, Volkswagen, Audi applications. Grade 10.9 with enhanced torque tension. Please refer 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.