• Seaguar Blue Label Big Game Fluorocarbon Leader in 180lb Test
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Seaguar Blue Label Big Game Fluorocarbon Leader

Seaguar Blue Label Big Game Fluorocarbon Leader

$139.99 USD
$139.99 USD
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Customers rate us 4.9/5 based on 1374 reviews.

Seaguar Blue Label Big Game Fluorocarbon Leader

Seaguar Blue Label Big Game is purpose-built fluorocarbon leader material for offshore fishing. The 30-yard coils come in weights from 100 to 400 lb test. This is not repurposed fishing line - it is engineered specifically for heavy leader applications where abrasion resistance, knot strength, and underwater invisibility matter most. The material sinks faster than nylon monofilament, which keeps your bait presentations natural. A smaller diameter at equivalent test strength lets you downsize your leader without losing breaking power.
  • 30-yard coils from 100 to 400 lb test
  • Superior abrasion and impact resistance
  • Fast sinking for natural presentations
  • Smaller diameter than equivalent nylon leaders
  • Near-invisible light refraction underwater

Read our leader weight chart for species matching

Let customers speak for us

from 1374 reviews
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love the set up

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I ordered bulk line and received it in a timely manner

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James M.
Hollow cordage its great for my swimbaits I make.

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Great service and on-time delivery. I even received

Great service and on-time delivery
Even received a phone call mentioning that I had my order placed twice so that I could actually get it straightened out and received exactly what I asked for

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Perfect measurements and weight

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Just what i was looking for

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The Leader Material That Disappears Underwater

Fluorocarbon has a refractive index close to water, which makes it nearly invisible to fish. In a world where pressured tuna and billfish reject presentations with visible leaders, that invisibility converts into hookups. Seaguar Blue Label Big Game takes this a step further with a diameter that runs thinner than comparable nylon at the same test weight. You can run 150 lb fluorocarbon that has the profile of 100 lb nylon.

The abrasion resistance is the other critical factor. Big game leaders contact bill wraps, gill plates, tail wraps, and structure. Standard nylon nicks and fails. Seaguar's fluorocarbon compound resists abrasion at a level that keeps your leader intact through a fight that would shred mono. The fast-sinking property also keeps trolled baits and rigs tracking deeper without added weight.

Thinner Diameter at Equivalent Test

Blue Label Big Game runs thinner than nylon monofilament at the same breaking strength. 100 lb test measures 1.05mm diameter. This smaller profile reduces drag in the water and makes the leader less visible to fish. You get the breaking strength you need with less material in the water.

Impact and Abrasion Resistance

Fluorocarbon resists abrasion from bill wraps, gill plates, and structure contact better than nylon. Seaguar's formulation adds impact resistance, so sudden shock loads during a strike or head shake do not snap the leader. This is the difference between landing and losing a big game fish.

Fast Sinking

Fluorocarbon is denser than water and sinks faster than nylon. This keeps your bait presentations tracking at the correct depth without additional weight. For trolling and drifting applications, the sinking characteristic gives you a more natural bait action.

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How to Rig Seaguar Big Game Fluorocarbon Leader

1. Select the leader weight based on your target species and IGFA class if tournament fishing

2. Cut a leader section to your desired length (typically 6-15 feet for trolling)

3. Attach to your mainline using an Albright knot, crimp sleeve, or wind-on connection

4. Rig your hook or lure to the terminal end using a crimp or suitable knot

5. For heavy test (200+ lb), use crimps and thimbles rather than knots for maximum strength

6. Store unused leader material in a dark, cool place to prevent UV degradation

Specs & Common Questions

Everything you need to know before you buy

Full Specifications +
Brand Seaguar
Line Blue Label Big Game
Material Fluorocarbon
Spool Size 30 yards
Test Weights 100, 130, 150, 180, 200, 300, 400 lb
100 lb Diameter 1.05mm / .041 in
Sink Rate Fast sinking
Price Range $109.99 - $139.99
What lb test should I use for tuna? +
130-200 lb for yellowfin and bluefin depending on size class. 100 lb works for blackfin and smaller yellowfin. Match your leader to the species and IGFA class if fishing tournaments. Our leader weight chart has species-specific recommendations.
Should I crimp or knot fluorocarbon leader? +
For test weights under 150 lb, knots like the improved clinch or uni work fine. For 200 lb and above, crimps with aluminum sleeves provide more reliable connections. Our crimping guide covers the technique step by step.
How much leader do I get per coil? +
Each coil contains 30 yards of leader material. That is enough for multiple leaders depending on your preferred length. Most offshore trolling leaders run 6-15 feet. Our leader FAQ covers how much leader you need.
Is fluorocarbon really invisible underwater? +
Not truly invisible, but its light refraction index is very close to water, making it far less visible than nylon mono. In clear water, the difference is significant. Pressured tuna and billfish notice leader visibility. Read our line comparison guide for more detail.
Can I use this for inshore fishing? +
This is big game leader material starting at 100 lb. For inshore species, Seaguar makes lighter Blue Label in standard sizes. This product is designed for offshore applications like tuna, marlin, and swordfish. See our leader chart for inshore vs offshore recommendations.
What is the diameter of each test weight? +
100 lb is 1.05mm, 130 lb is 1.2mm, and sizes increase from there. The diameter runs thinner than nylon at equivalent breaking strength, which is one of the key advantages. Check our leader FAQ for a full diameter comparison table.