... nice appearance 1, Materials: NBR, silione, NR, etc 2, Types of O-ring, E-type, U-type, etc, can make on ... your size. 3, Different sizes of Oil Seal, Rubber Seal, Rubber Gasket, O-Ring, etc. 4 ... , brown, green, violet, etc, depending on your own order. 5, Your OEM order of Oil Seal, Rubber Oil seal, Rubber Seal or O ...