Thinking Anglers Tungsten Coated HooklengthThe original tungsten coated hooklength material. An incredibly heavy hooklength, with true 100% Dyneema braid inside. The Dyneema is a special fibre produced for the medical industry only. The coating itself is based on a material developed previously for F1 and NATO use, specially adapted for fine extrusion. Never before had it been used for coated fishing lines. Tungsten content is 30% proportion of the overall material mass. The dark grey outer is