316L stainless steel fiber sewing thread .it is stainless steel fiber conductive thread, It’s thin, strong, smooth and made by 100% 316L stainless steel. Once you strat working with this thread, you’ll quickly agree it optimal for any wearables work and feverished love it. The most flexible and durable electrically conductive filament yarn. This stainless steel multifilament is used in a wide range of application related to: Anti-static Intelligent Textiles Signal Transfer Power Transfer Heat Resistant Sewing Thread Thermal Conductivity