Description: we have O-ring kits, which are made from NBR, HNBR, VITON, and so on.

Material: NBR70, NBR90, VITON70, VITON90, HNBR, NR, and so on.

Type: Americam standard AS568 382 pcs, Chinese standard 92 372 pcs, Japanese standard P. G 391 pcs, Metric size 386 pcs and so on.