[Extreme Performance] Low Loss 12 strand SM LC APC connector 1310/1550nm operating wavelength. UPC polish. Corning glass-28 Ultra glass. [Bend Insensitive] Aramid yarn encased 900um tight buffer cable construction has a 10.00mm minimum bend radius for tight enclosures and sharp turns supports high density splicing applications. [For Use Indoors] LSZH rated cable jackets will not promote the spread of flame. Suitable for all indoor interior spaces. Quality Tested with a Versiv CableAnalyzer. [Forever Warranty] Our fiber optic cables have been performance tested and are in compliance with ANSI/TIA 568.3-E standards. UL Listed. Backed by our FOREVER WARRANTY. Our OS2 12 fiber APC Singlemode Fiber optic pigtails are made of high-quality Single-mode, OS2, 9/125 Corning Cable. Ideal for fusion splicing, they are quality tested to meet or exceed industry standards while adhering to only the most stringent performance specifications. They are designed, manufactured, and tested according to protocol and performance dictated by industry standards, which will meet your most stringent performance specifications.