Longxing offers multi-core ribbon & bundle pigtails with connector types of: FC, SC, ST and LC. ... of fiber optic pigtails. Features:Multi-core Ribbon pigtail or Bundle pigtailConnector Types: FC, SC, ST, LCLength: upon customers' requestsInsertion loss ... are available for customers selectionNumber of cores: 4 to 12 Bundle Fiber Optic Pigtail