... standard OEM/ODM are welcomed O-ring service kits:Product all kinds of O-ring service kits.Good quality and ... so on. Standard size as follows: [1]30 sizes, total 382pcs, AS 568 standard, model no: 5A[2]30 sizes ... JIS B 2401 standard, model no:5B[3]30 sizes, total 386pcs, JIS B 2401 standard, model no: 5C[4 ... ]32 sizes, total 407pcs, AS 568 standard, model no:8B[5]32 sizes ...