... : 2008 standard OEM/ODM are welcomed industrial o-ring kits:Product all kinds of industrial o-ring kits.Good quality and best ... : Red, Black, Blue, Green, Yellow, White and so on. Standard size as follows: [1]30 sizes, total 382pcs, AS 568 standard ... 419pcs, JIS B 2401 standard, model no: 8C Non-standard size is also allowed, such as 102pec, 104pec, 125pec, 190pec, 222pec ...