Length:  5"/12.7cm, 7"/17.78cm, 9"/22.86cm, 13.7"/35cm,  we may produce accoring to your requirements.

dia:      2.0mm(US0),2.25mm(US1),2.75mm(US2),3.25mm(US3),3.5mm(us4)

           3.75mm (US5)4.0mm(US6),4.5mm(US7),5.0mm(US8),

           5.5mm(US9),6.0mm(US10),6.5mm(US10.5),8.0mm(US11), 9.0mm(US13), 10.0mm(US15), 12.0mm(US17)

            the above showed are US size, of course, we also can produce  diameter 2.5mm, 3.0mm, 7.0mm

OEM orders are welcome