Scientific Anglers Sonar Leader 10′ – These 10′ leaders attach to the end of a fly line and can put your fly anywhere in the water column. With five different densities, each weighing in at 50 grains, you’ll be able to cover the surface to the depths. Ideal for single-handed lines as well as light double-handed lines, no matter the scenario, you can Get Down with SONAR.

• 10′ floating and sinking leaders for use with double- and single-handed lines
• Built on 25-lb. monofilament
• Weight: 50 grains
• Welded loop on butt end