... , PTFE, EPDM, etc. Can choose on your requirement;2. types of Rubber Oil Seal: TC, TB, TA, SC, SB, SA, VC, VB ... your size.4.Optional color for you of the Oil Seal,Rubber Oil Seal,Rubber Seal,Rubber Gasket, O-Ring :Black, red, yellow, brown ... promise the high quality but competitive price of Oil Seal,Rubber Oil Seal, O-Ring, Rubber Seal, Rubber Gasket, Rubber Ring, Sealing Ring, Sealing Gasket ...