... and materials are available; Good quality, reasonable price Rubber jacket1, Terials: NBR, silione, NR, FKM, etc2, ... size.3, Different sizes of Oil Seal, Rubber Seal, Rubber Gasket, O-Ring, etc.4, You could ... you like on the Oil O-Ring, Oil seal, Rubber Seal, Rubber Gasket: Black, red, white, yellow, brown, ... for Oil Seal, O-Ring, Rubber Seal, Runner Ring, Sealing Ring, Sealing Gasket. rubber jacket