The 66S is a core alignment fusion splicer equipped with PAS( Profile Alignment System) for precise core to core fiber alignment for consistence low splice loss and accurate splice loss estimation regardless of fiber type or quality. The Fujikura 66S has series of features, âÂÂEasy sleeve positioningâ for quicker splicing cycle. It equips 5 inches size LCD monitor with touch screen. Fujikura 66S design, compact size and light weight enables to carry it and use in various environment conditions.