Superior Conductive Thread - Bobbin - 10 Yards Conductive Thread Bobbin 10 Yards Superior Conductive thread is an innovative thread which carries electricity and completes electrical circuits. Made from Stainless Steel Fiber (SS316L) and is NOT microwave safe. Use to create Smart Phone/Tablet Gloves and LED light effects in quilts. Ideal for carrying along with yarn when making Smart Phone/Tablet gloves.