1.12core bundle fiber pigtail 2.4~48 fibers 3.FC,SC,LC,ST connector 4.with heat shrinkable tube 5.manufacturer 12core bundle fiber pigtail:Fiber pigtail is a short optical fiber permanently attached to a source, detector, or other fiber optic device at one end and an optical connector at the other. Features:.4,6,8,12,24,48 fibers optional.With heat shrinkable tube.Applicable connector: FC,SC,LC, ...