1.For cutting silica optical fiber 2.High precision of cutting 3.Great quality tungsten ... in Japan. It is the ideal tool for cutting silica optical fiber, Single fiber and Fiber ribbon. Item:SCT-21b Specifications ... ,S324,S324A,S324B,S325,S325A. Cleaver Blade (cutting wheel) for optical fiber for Sumitomo FC-7S,FC-7MF,Furukawa:S321