Telecommunication Network Testing Equipment Local Ares Network CATV Features: Low Insertion Loss Good reliability and stability Polishing type: PC, UPC, and APC These Single mode 12 fiber pigtails with 900 micron buffer are ready for splicing. Each fiber strand in the kit has a color-coded buffer for easy identification and the colors are industry standard. In this 12-pack, twelve strands of fiber are terminated on one end with SC connectors. Connectors are ceramic with Ultra physical contact (UPC) finish. Each cable comes with test results and a lifetime guarantee.