Scientific Anglers Sonar Titan Sink S3/S5/S7 Fly Line casts like a floater but offers a straight-line sinking connection to your streamer. Short, powerful head offers excellent turnover and loads quickly to carry the biggest flies to the farthest targets. Sonar sinking technology gets your line below the surface, so you can catch the lunkers lurking there. Shooting Texture technology not only reduces friction, but also provides longer casts, easier pickup and increased durability. Triple-density construction for a straight-line connection to your fly. Advanced Shooting Technology (AST) delivers continual slickness, which allows the line to shoot farther, so you can make longer casts. Plus, it helps the line shed dirt, algae and other drag particles with ease. Scientific Anglers Line Identification (SA-ID) offers at-a-glance recognition. Equipped with a braided multifilament core and welded loops. Ideal for temperate climates. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fly Line.