Conical seat style 14mm x 1.25 threads lug bolts. The shank length is 33mm and the total length is 55mm. The hex size is 17mm. These lug bolts fit many BMW, Mini Cooper 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.