Features: 1) Meets the IEC and Bellcore Standard 2) PC, UPC, APC polishing 3) 0.9mm, 2.0mm, 3.0mm cable diameter optional 4) 100% optic test (high return loss, low insertion loss) 5) High reliability and high temperature stability 6) Optional connector type: FC, SC, ST, LC, MTRJ, MU, DIN, SMA, E2000, MPO/MTP, D4, ESCON Packing: Plastic bag+carton or customized