rubber o-ring kit

Type: 102pcs, 225pcs, 382pcs, 386pcs, 404pcs, 407pcs, 419pcs and so on or according to customer's request; Material: NBR 70, NBR 90, SILICONE, EPDM, VITON, CR, NR and so on; Package: 20 kits packed in one export carton;