Tuf-Line HeviCore 300-Yard Braided Fishing Line Incorporates a weighted PTFE (polytetrafluoroethylene) core Incorporates a weighted PTFE (polytetrafluoroethylene) core Incorporates a weighted PTFE (polytetrafluoroethylene) core Incorporates a weighted PTFE (polytetrafluoroethylene) core Incorporates a weighted PTFE (polytetrafluoroethylene) core