When you need the very strongest thread go with kevlar. We like it for tying glo bugs or spinning sculpin wool head flies. 50 yards per spool.
Kevlar Thread
The same material that is used in bullet proof vests. Also labeled Super Thread, Kevlar has a working strength of 8 lbs. You can't beat it for Glow Bugs, spinning hair or big saltwater patterns. 50 Yard Spool.
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