Double Lip Oil seal 1.NBR,FKM..etc 2.Different Color 3.TA TB TC SA SB ... PTFE, EPDM, etc. Can choose on your requirement.2. Types of Rubber Oil Seal: TC, TB, TA, SC, SB, SA, ... on your design; 3. Different sizes of Oil Seal, Rubber Oil Seal, Rubber Seal, also can make on your request. 4. ... Optional color for you of the Oil Seal, Rubber Oil Seal, Rubber Seal, Rubber Gasket, O-Ring: Black, red, yellow ...