Scientific Anglers Absolute Fluorocarbon 9' Leader
In Stock • Bozeman, MT
- 100% Fluorocarbon for stealthy presentations
- Taper and butt diameters adapted per size to perfectly match common flies
- Abrasion resistant
- Lengths- 9′ 0x-7X, 8-20lb.
Description
The SA Absolute Fluorocarbon 9' Leader spans freshwater and saltwater applications in a single product series. The trout sizes (0X–6X) cover the full range of freshwater fluorocarbon leader applications — from heavy streamers and indicator rigs at 0X through technical dry fly and nymph fishing at 6X. The saltwater sizes (12, 16, and 20 lb) serve bonefish, permit, and inshore redfish on 9-foot fluorocarbon in clear conditions where low visibility tippet makes a difference.
The Absolute formulation delivers 15% higher wet knot strength than SA’s previous fluorocarbon material — a meaningful improvement given that fluorocarbon is more prone to knot failure than nylon at equivalent diameters when not properly tied and seated. One design detail worth noting: SA adapts both the tippet diameter and butt diameter per size to match typical flies and techniques for each application. The butt diameters in the larger X-sizes and saltwater sizes are heavier, transferring more casting energy for flies that require it. As you move into the finer trout sizes, the butt steps down accordingly to maintain balanced turnover.
Built on a proprietary taper that progresses from a powerful butt through a smooth mid-section to a supple tippet. 100% fluorocarbon throughout. 100% recyclable, biodegradable paper-based packaging. Each leader includes a perfection loop in the butt for loop-to-loop connection to the fly line.
Features
• 15% Higher Wet Knot Strength — SA’s Absolute fluorocarbon formulation produces stronger, more consistent knot performance than their previous material.
• Taper and Butt Diameters Adapted Per Size — Both butt and tippet diameters are specifically matched to the typical flies and techniques for each X-size or pound rating, rather than using a one-size-fits-all butt.
• Dual Freshwater / Saltwater Range — 0X–6X for trout and freshwater species; 12, 16, and 20 lb for bonefish, permit, and inshore redfish.
• 100% Fluorocarbon — Near-invisible underwater, faster-sinking than nylon, and more abrasion-resistant at equivalent diameters.
• Perfection Loop in Butt — Pre-tied loop for fast loop-to-loop connection to the fly line.
• 100% Recyclable, Biodegradable Packaging — Paper-based packaging with fully biodegradable materials, inks, and window.
Size Guide
|
Size |
Advertised Tippet Diameter |
Butt Diameter |
Advertised Break Strength |
Recommended Applications |
|
TROUT / FRESHWATER (0X–6X) |
||||
|
0X |
0.011" / 0.28 MM |
0.022" / 0.57 MM |
13.4 LB / 6.1KG |
Large streamers, bass, carp, salmon & steelhead; heaviest trout fluorocarbon leader |
|
1X |
0.010" / 0.25 MM |
0.022" / 0.57 MM |
11.8 LB / 5.4KG |
Large streamers, big hopper-dropper rigs, salmon and steelhead nymphing, carp |
|
2X |
0.009" / 0.23 MM |
0.022" / 0.57 MM |
9.5 LB / 4.3KG |
Streamers, big dry flies and terrestrials, hopper-dropper, heavy indicator rigs in big water |
|
3X |
0.008" / 0.20 MM |
0.021" / 0.53 MM |
8.4 LB / 3.8KG |
Hopper-dropper rigs, nymphs, moderate streamers; all-around starting point |
|
4X |
0.007" / 0.18 MM |
0.021" / 0.53 MM |
6.7 LB / 3.0KG |
Standard dry flies and nymphs |
|
5X |
0.006" / 0.15 MM |
0.021" / 0.53 MM |
4.6 LB / 2.1KG |
Smaller dry flies and nymphs (size 14–20); spring creeks and selective fish |
|
6X |
0.005" / 0.13 MM |
0.019" / 0.47 MM |
3.5 LB / 1.6KG |
Small dries, midges, emergers; crystal clear, technical water |
|
SALTWATER (12–20 LB) |
||||
|
12 lb |
0.011" / 0.28 MM |
0.022" / 0.57 MM |
12.0 LB / 5.4KG |
All-around bonefish, light redfish, high-pressure permit |
|
16 lb |
0.013" / 0.33 MM |
0.022" / 0.57 MM |
16.0 LB / 7.3KG |
Standard permit, redfish, big bonefish, snook |
|
20 lb |
0.015" / 0.38 MM |
0.022" / 0.57 MM |
20.0 LB / 9.1KG |
Permit, large redfish, juvenile tarpon, triggerfish, snook, jacks, snapper |
FAQ
What does the taper and butt diameter data tell me?
The butt diameter is the thickest section of the leader — the part that connects to the fly line and carries casting energy through the taper. A heavier butt transfers more energy and turns over larger or heavier flies more efficiently. The tippet diameter is the final, thinnest section at the fly end — this is what the fish sees and what your knots are tied to. SA adapts both butt and tippet diameters per size to match the typical flies and techniques for each application, which is why the butt diameter changes as you move from the larger trout sizes to the finer ones.
How does the SA Absolute FC leader differ from the SA Absolute nylon trout leader?
Both use SA’s Absolute material technology, but they differ in the base material. The fluorocarbon leader is 100% fluorocarbon throughout — denser than water (sinks), less visible underwater, and more abrasion resistant than nylon. The nylon leader uses SA’s Absolute nylon copolymer, which is more supple, floats, and is softer at the tippet end for delicate dry fly presentations. For nymphing, streamer fishing, and any sub-surface technique, the fluorocarbon leader has meaningful advantages. For dry fly fishing on the surface, many anglers prefer nylon.
What does the 15% higher wet knot strength mean?
SA’s Absolute fluorocarbon formulation produces 15% stronger wet knot performance than their previous fluorocarbon material. This matters because fluorocarbon loses more strength at knot junctions than nylon when wet and under load. The improved material is more consistent and forgiving of slightly imperfect knot seating. Always wet fluorocarbon before cinching and test with a firm pull regardless.
