O Ring Kit

1) Model No.: NBR 90 GIANT 396Pc Caterpillar o ring kit.
2) Material : NBR(FKM, EPDM, MVQ,Silicone available)
3) Color of o-ring : black or customized color.
4) Color of box : transparent, blue, yellow,red,green or customized color.
5) Spec:36 sizes, total 396 Pcs.
6) MM standard.
7) 20 or 24 sets per one carton.