Sinking lines that get deep fast yet can cast a country mile are hard to find, or at least they were until now. Scientific Anglers Sonar Sink 6+ Titan Big Water Fly Line loads rods quickly and powers big flies to distant targets with ease. Mastery texture decreases friction, increasing shooting distance, keeping debris from adhering to the line and aiding in quieter pick ups. Excellent turnover is provided by its short, powerful head. Tropi-Core technology is somewhat stiff so it excels in warm environments. Built on a 100-lb. monofilament core that has no problem handling massive fish. SA ID makes it easy identify line types and weights. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fly Line.