There are numerous companies building fluorocarbon line but none like Vicious Fluorocarbon. Built for extreme sub-surface applications, Vicious Fluorocarbon will get you more strikes and help you put them in the boat. They build fluorocarbon to withstand the toughest environments. Designed with high tensile strength and low diameter it is virtually invisible underwater and detects even the lightest of bites. Best of all, Vicious Fluorocarbon is built to withstand the toughest hook sets.