Fitel S712S-250 Fiber Holder,use for Fitel S121A,S121M,S122A,S122C,S122M4,S122M12 Fusion Splicer, and S153,S178,S123 Series Splicer.We also supply below used Fitel fiber holder:S712S-250, 250 μm Fiber HoldersS712S-900, 900 μm Fiber HoldersS712A-002, 2-Ribbon Fiber HoldersS712A-004, 4-Ribbon Fiber HoldersS712A-008, 8-Ribbon Fiber HoldersS712A-010,10-Ribbon Fiber HoldersS712A-012,12-Ribbon Fiber Holders