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
$3.95

Brad Elfers has been a fly fishing & river guide in Alaska since 1993.He opened Alaska Fly Fishing Goods in 1998.
Get an expert answer to your Alaska fly fishing and travel question! See answered questions.