Scientific Anglers Mastery Grand Slam
Scientific Anglers Mastery Grand Slam is a three-quarter heavy tropical fly line designed for powerful turnover when targeting large saltwater species on the flats. It loads rods quickly cuts through wind with ease and provides dependable accuracy when presenting big flies to fast moving fish. Built on a stiff tropical core it remains slick stable and reliable in hot 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.
- Saltwater ID – Printed line identification for quick easy recognition on the water.
- Tropi-Core – Extra-rigid tropical monofilament core that resists heat maintains stiffness and delivers powerful turnover in hot climates.
Temperature Rating
- Hot / Tropical – 20°C to 40°C
Target Species
- Triggerfish
- Bonefish
- Permit
Types of Flies
- Streamers
- Crustaceans
- Crabs
Additional Features
- Three-quarter heavy taper loads rods quickly for fast powerful shots.
- Short aggressive front taper turns over bulky saltwater flies with authority.
- Cuts through wind efficiently to improve presentation in tough conditions.
- Designed for use on the flats with long leaders and heavy flies.
Line Chart
| Line Weight | Head Length | Total Length | Head Weight | Grain Weight* |
|---|---|---|---|---|
| WF-7-F | 12.2 | 30.5 | 17.1 g | 255 gr / 16.5 g |
| WF-8-F | 12.2 | 30.5 | 19.4 g | 300 gr / 19.4 g |
| WF-9-F | 12.2 | 30.5 | 21.8 g | 335 gr / 21.7 g |
| WF-10-F | 12.2 | 30.5 | 26.3 g | 405 gr / 26.3 g |
*Grain weight measured at first 9.1 m.
Product Information
Product Information
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Scientific Anglers Mastery Grand Slam
Scientific Anglers Mastery Grand Slam
Scientific Anglers Mastery Grand Slam is a three-quarter heavy tropical fly line designed for powerful turnover when targeting large saltwater species on the flats. It loads rods quickly cuts through wind with ease and provides dependable accuracy when presenting big flies to fast moving fish. Built on a stiff tropical core it remains slick stable and reliable in hot 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.
- Saltwater ID – Printed line identification for quick easy recognition on the water.
- Tropi-Core – Extra-rigid tropical monofilament core that resists heat maintains stiffness and delivers powerful turnover in hot climates.
Temperature Rating
- Hot / Tropical – 20°C to 40°C
Target Species
- Triggerfish
- Bonefish
- Permit
Types of Flies
- Streamers
- Crustaceans
- Crabs
Additional Features
- Three-quarter heavy taper loads rods quickly for fast powerful shots.
- Short aggressive front taper turns over bulky saltwater flies with authority.
- Cuts through wind efficiently to improve presentation in tough conditions.
- Designed for use on the flats with long leaders and heavy flies.
Line Chart
| Line Weight | Head Length | Total Length | Head Weight | Grain Weight* |
|---|---|---|---|---|
| WF-7-F | 12.2 | 30.5 | 17.1 g | 255 gr / 16.5 g |
| WF-8-F | 12.2 | 30.5 | 19.4 g | 300 gr / 19.4 g |
| WF-9-F | 12.2 | 30.5 | 21.8 g | 335 gr / 21.7 g |
| WF-10-F | 12.2 | 30.5 | 26.3 g | 405 gr / 26.3 g |
*Grain weight measured at first 9.1 m.
Original: $86.35
-70%$86.35
$25.90Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Scientific Anglers Mastery Grand Slam is a three-quarter heavy tropical fly line designed for powerful turnover when targeting large saltwater species on the flats. It loads rods quickly cuts through wind with ease and provides dependable accuracy when presenting big flies to fast moving fish. Built on a stiff tropical core it remains slick stable and reliable in hot 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.
- Saltwater ID – Printed line identification for quick easy recognition on the water.
- Tropi-Core – Extra-rigid tropical monofilament core that resists heat maintains stiffness and delivers powerful turnover in hot climates.
Temperature Rating
- Hot / Tropical – 20°C to 40°C
Target Species
- Triggerfish
- Bonefish
- Permit
Types of Flies
- Streamers
- Crustaceans
- Crabs
Additional Features
- Three-quarter heavy taper loads rods quickly for fast powerful shots.
- Short aggressive front taper turns over bulky saltwater flies with authority.
- Cuts through wind efficiently to improve presentation in tough conditions.
- Designed for use on the flats with long leaders and heavy flies.
Line Chart
| Line Weight | Head Length | Total Length | Head Weight | Grain Weight* |
|---|---|---|---|---|
| WF-7-F | 12.2 | 30.5 | 17.1 g | 255 gr / 16.5 g |
| WF-8-F | 12.2 | 30.5 | 19.4 g | 300 gr / 19.4 g |
| WF-9-F | 12.2 | 30.5 | 21.8 g | 335 gr / 21.7 g |
| WF-10-F | 12.2 | 30.5 | 26.3 g | 405 gr / 26.3 g |
*Grain weight measured at first 9.1 m.



















