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Scientific Anglers Sonar - Uniform Sink IV

Graduated-density full-sinking line

The idea behind the graduated densities of the SONAR Uniform Sink sinking fly line is a brilliant one: instead of a single density that can sink at an uneven rate due to the fly, the front of the Uniform Sink lines sinks faster than the rear, all but guaranteeing a straight-line connection to the fly. In stillwater and lake fishing situations, this is a must-have, non-negotiable, fish-catching attribute.

  • Front of line sinks slightly faster than rear, ensuring straight-line sinking
  • Core
    • 5 weight = monofilament
    • 6 - 7 weight = Braided multifilament
  • Sink rates:
    • Sink 4 = 4.00 - 5.00 ips

  • SA ID - SA SONAR US WF X & (X = line weight, & = sink rate)

Choose your Size:

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