Beginner Fly Tying: It's easier than you think to decipher thread sizes - Fly Life Magazine
FLY TYING THREAD
Wapsi UTC Ultra Thread // Waspi UTC Ultra Fly Tying Thread 140
DescriptionHigh Quality Waxed Thread. This is the Uni you reach for when 6/0 is too much, like on your size 20 and smaller flies. A woven thread with
Uni-Thread 8/0 Waxed
Thread; A Tangled Mess – charliesflybox
Kevlar Fly Tying Thread - Barlow's Tackle
Keep this fly-tying thread handy for any type of fly.
Orvis Thread Size 3/0
Deciphering Thread Size
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.
Cascade Crest Kevlar Thread, Olive
Designed specifically for big saltwater flies, bass bugs and other tying applications where a very strong, easily-handled thread
Uni Big Fly
Kevlar Thread
Uni-Thread Fly Tying Thread – Weaver's Tackle Store
Uni-Kevlar 3/0, Fly Tying Threads - Fly and Flies