Car and Light Truck Studs T.S.M.I #11 8.8 x 10 Passenger Stud T.S.M.I #12 8.8 x 11 Passenger Stud T.S.M.I #13 8.8 x 12 Passenger Stud T.S.M.I #15 8.8 x 13 Passenger Stud T.S.M.I #16 8.8 x 15 Passenger Stud T.S.M.I #17 8.8 x 16 Passenger Stud