"Pick this Scientific Anglers sinking fishing fly line because fish feed below the water's surface about 90% of the time, seeking out food sources at various levels. Sinking fly lines are designed to sink at precise rates to put your fly right where the fish are most likely to be. Type II line ideal for 2'-4' depths.Excellent general sinking line, especially for lakes with shallow to medium depths. Sink rate: 2.0 - 3.25 inches per second. Closeouts. USA."