Description
Description
Scientific Anglers Mastery Infinity is a versatile half-size heavy freshwater taper built for long casts smooth mends and reliable all-round control. It loads fast-action rods easily yet remains forgiving across a wide range of rod actions making it ideal for anglers who fish multiple methods. With balanced power and refinement it performs beautifully with dries nymphs and streamers in both cold and moderate climates.
Technologies
- AST – Slickness additive that reduces friction improves shootability and keeps lines performing longer.
- Welded Loops – Durable welded loops on both the front and back of the line for easy reliable loop-to-loop connections to backing and leaders.
- SA-ID – Printed line identification for quick easy recognition on the water.
- Braided Multifilament Core – Supple cold-water core that improves flotation reduces memory and provides smooth stable casting.
Temperature Rating
- Cold / Moderate – 0°C to 25°C
Target Species
- Trout
- Yellowfish
- Barbel
- Bass
- Carp
Types of Flies
- Dries
- Nymphs
- Streamers
- Indicator
Additional Features
- Half-size heavy design helps fast-action rods load quickly.
- Extended head improves long-distance mending and control.
- Performs across multiple techniques including dry fly nymph and streamer fishing.
- Reliable handling in a wide range of freshwater conditions.
Line Chart
| Line Weight | Head Length | Total Length | Head Weight | Grain Weight* |
|---|---|---|---|---|
| WF-3-F | 14.3 | 27.4 | 10.0 g | 110 gr / 7.1 g |
| WF-4-F | 14.6 | 27.4 | 12.3 g | 130 gr / 8.4 g |
| WF-5-F | 14.9 | 27.4 | 14.6 g | 150 gr / 9.7 g |
| WF-6-F | 15.2 | 27.4 | 17.2 g | 175 gr / 11.3 g |
| WF-7-F | 15.5 | 27.4 | 19.8 g | 200 gr / 13.0 g |
| WF-8-F | 15.8 | 27.4 | 22.7 g | 225 gr / 14.6 g |
*Grain weight measured at first 9.1 m.
Mastery Line Features
SA Mastery Series lines have been among our most-popular and best-performing lines. Mastery Series lines still deliver just as well as, if not better than they ever have before.
With the AST slickness additive, Dry-Tip technology, colour change at the rear of the head, and SA Line Identification system, Mastery lines are still the best smooth lines at their price point on the market.

