Scientific Anglers Mastery Infinity

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Floating WF fly line in AFTM classes #4–#7

Scientific Anglers Mastery Infinity is a floating WF fly line designed for versatile freshwater fishing. The available models cover AFTM classes #4–#7, with a total line length of 27.5 m. The taper is built a half-size heavy to help load fast-action fly rods. Its extended head supports longer casts and effective mending on the water. Mastery Infinity is suitable for dry flies, nymphs and streamers. The line features a braided multifilament core, AST technology, SA Line ID and welded loops.


Scientific Anglers New 2026!	Scientific Anglers Mastery Infinity WF-4-F Code: 138369 AFTM #: 4 Length: 27.50 m Length ft: 90 ft Taper: WF Type: floating	99.90 € In stock	Add to cart
Scientific Anglers New 2026!	Scientific Anglers Mastery Infinity WF-5-F Code: 138376 AFTM #: 5 Length: 27.50 m Length ft: 90 ft Taper: WF Type: floating	99.90 € In stock	Add to cart
Scientific Anglers New 2026!	Scientific Anglers Mastery Infinity WF-6-F Code: 138383 AFTM #: 6 Length: 27.50 m Length ft: 90 ft Taper: WF Type: floating	99.90 € In stock	Add to cart
Scientific Anglers New 2026!	Scientific Anglers Mastery Infinity WF-7-F Code: 138390 AFTM #: 7 Length: 27.50 m Length ft: 90 ft Taper: WF Type: floating	99.90 € In stock	Add to cart

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Mastery Infinity

Scientific Anglers Mastery Infinity is a floating WF fly line designed for versatile freshwater fishing. The available models cover AFTM classes #4–#7, with a total line length of 27.5 m.

The taper is built a half-size heavy to help load fast-action fly rods. Its extended head supports longer casts and effective mending on the water.

Mastery Infinity is suitable for dry flies, nymphs and streamers. The line features a braided multifilament core, AST technology, SA Line ID and welded loops.

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