... SC/UPC SM fiber optic connector 2.0 SC,LC,ST,FC,MU fiber optic connector APC,UPC,PC,SM, ... MM Simplex,duplex fiber connector kit SC/UPC SM ... fiber optic connector 2.0 Single modemulti mode ... 0um,concentricity≤1.0128.0um,concentricity≤3.0 The connector pre-assemblied kit or one piece are available.Boots ...