As will be explained below this is not something that is right for every T-fisher in every Tenkara fly fishing situation. But if you are looking for the ultimate line for your particular rod. If it is a rod that needs and could benefit from a special line to meet your fishing needs, then John is The Man you should looking for to fill those T-line needs. http://www.tenkara-fisher.com/showth...-John-Vetterli