... optical fiber, Single fiber and Fiber ribbon. Item:SCT-21b Specifications:OD20.0*ID4.0*3.0*60° Blade positions:12 ... -22,FCH-3,FCH-9,FCH-12, Ericsson EFC-P22; (Furukawa) S321,S321B,S323,S323A,S323B,S324,S324A,S324B,S325,S325A ... wheel) for optical fiber for Sumitomo FC-7S,FC-7MF,Furukawa:S321