fd178d24_n_and_How_Should_They_Be_Used___Strengths
[Line] Fluorocarbon [Weaknesses] Expensive, poor resistance to teeth, large diameter compared to wire or cable of comparable strength, [Strengths] 
Reputed to be virtually invisible under water, supple, easy to knot or crimp
Fishing Leaders - Just Why, When and How Should They Be Used?
Strengths