1.materials in NBR,EPDM,SBR,FPM 2.all kinds of types 3. ... Seal, also can make on your size.4.Optional color for you of the Oil Seal,Rubber Oil Seal,Rubber Seal ... ,Rubber Seal or O-Ring and Rubber Gasket is welcomed as well.6. Apply for: Auto, motorcycle, machinery, water pumps, valves, etc.7 ...