... total 407pcs, AS568 standard 1. o ring kits 8B features:1) Model No: o ring kits 8B2) Material: NBR, NR, FPM, MVQ ... color: blackCatalogue Details: Prosuct Name :o ring kits 8B Description : Model No. : O-Ring Kits 8B Material : NBR, NR, FPM, MVQ, EPDM ... of box : red, blue, yellow2. We have below O-Ring Kits: Product ModelSizesTotal PcsStandard5A30 sizes 382pcsAS568 standard5B30 sizes 382pcsJIS B 2401 ...