Not all fluorocarbons are created the same. To produce the perfectfluorocarbon you have to start with the best raw materials attainable,which is the foundation for our new Shinsei fluorocarbon. By using thepurest, cleanest fluorocarbon crystals available we have produced themost invisible fluorocarbon on the market. After spending a tirelessamount of hours in research and development with a team of Japanese engineers we have developed the perfect combination of strength, stretch and durability. The end result is a product which will absorb shock, whilehaving the attributes needed for tying the perfect leader, or creating theultimate top-shot. Whether you're fishing for huge tuna or stealthysteelhead Shinsei is the clear choice for leader material. MADE IN JAPAN.