
Berkley ThinFisher
14 Color Options
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Berkley
Item#: F24573
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Berkley Forward Braid is a thermally fused braided line built for forward-facing sonar applications, delivering superior casting distance, sensitivity, and sink rate. Available in filler spool and bulk spool options, this finesse braid retains its round profile longer, preventing the flattening common in conventional braids. The smooth coating reduces friction, allowing for long, accurate casts and better lure control when tracking fish in real time.
The proprietary thermal fusion process enhances durability while maintaining high sensitivity, ensuring you detect even the subtlest bites. A smaller line diameter promotes faster sink rates, giving you precise lure placement in deep water or current-driven conditions. Choose from Crystal for a near-invisible look, Low-Vis Green for a stealthy approach, or Flame Green for maximum visibility – all designed to keep you in control on the water.
| Test (lbs.) | Diameter (in.) | Diameter (mm) |
| 4 | 0.004 | 0.10 |
| 6 | 0.005 | 0.12 |
| 8 | 0.006 | 0.15 |
| 10 | 0.007 | 0.17 |
| 12 | 0.008 | 0.20 |
| 14 | 0.009 | 0.22 |
| 17 | 0.010 | 0.25 |
Made in the USA
Berkley Forward Braid is a thermally fused braided line built for forward-facing sonar applications, delivering superior casting distance, sensitivity, and sink rate. Available in filler spool and bulk spool options, this finesse braid retains its round profile longer, preventing the flattening common in conventional braids. The smooth coating reduces friction, allowing for long, accurate casts and better lure control when tracking fish in real time.
The proprietary thermal fusion process enhances durability while maintaining high sensitivity, ensuring you detect even the subtlest bites. A smaller line diameter promotes faster sink rates, giving you precise lure placement in deep water or current-driven conditions. Choose from Crystal for a near-invisible look, Low-Vis Green for a stealthy approach, or Flame Green for maximum visibility – all designed to keep you in control on the water.
| Test (lbs.) | Diameter (in.) | Diameter (mm) |
| 4 | 0.004 | 0.10 |
| 6 | 0.005 | 0.12 |
| 8 | 0.006 | 0.15 |
| 10 | 0.007 | 0.17 |
| 12 | 0.008 | 0.20 |
| 14 | 0.009 | 0.22 |
| 17 | 0.010 | 0.25 |
Made in the USA

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Posted by Harry Shultz on October 4, 2026
I can’t wade very deep so need to be able to cast fat to reach where the fish are and this line does it. I only crystal so I can see the line and the bite
Posted by Edward on May 14, 2026
Forward line is not for everyday fishing-its for finesse application. The line casts further than other line, is very sensitive.
Posted by KB on February 24, 2026
I bought a spool of 8lb lime green and split it between a spinning reel and a BFS reel. First time I tied a leader on, I knew that I was going to have problems. It frays when using most connecting k…