auto rubber o ring 1.Material:HNBR 2.High/Low temperature resistance,Oil resistance ... 3/4 5/16 auto rubber o ring1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE ... Our main product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal and rubber gaskets ... lead time7 daysCarton Size47*38*34cmOEM/ODMwelcome auto rubber o ring