This monofilament is one of the few in the world processed using the 100% of fluorocarbon. It is soft, abrasion resistant, fast sinking andmost of all is totally invisible in the water. The diameters are calibrated, ideal for making rigs and hook lengths. Available in spools of 50 mts also in big diameters that are almost impossible to find in the market place and that are higly required for fly fishing and sea fishing.