... : NBR rubber and carbon steel 3.Quality: TS16949 rubber steel end cap 1. Application :automotive,motocycle,agricultural machinery,truck,buses,tralier,home ... ,NR,FKM,VITON,ACM,EPDM,PTFE,SILICON,MVQ.4. Specially in designing and manufacturing all of oil(water) seals,gasket,o ... .6. Company have TS16949 quality certificates balck steel dome laminate end cap