Supply Auto Rubber Seals Materials: NBR, EPDM, IIR, CR, silicone, ACM, FKM (Vinton), HNBR, FPM and ACM Stainless steel ring For engine, gearbox, sedan, steering and wheel OEM/ODM orders are welcome Size: SA, SB, SC, SF, SG, SM, SZ, TA, TB , TC,TG,TM, TZ, VA, VB, VC, VF, VG, VM, VZ, KA, KB, KC, KF, KG, KM and KZ