S-Lon Fire Gel-Spun Polyethylene Braided Thread (2 Colors)
Fly Tying Thread Comparison Chart & Guide
Sumo Power – our strongest thread now in more sizes and colors!
Veevus GSP - Reid's Fly Shop
Veevus 200 Denier GSP Fly Tying Thread 75 Meter Spool
Veevus G.S.P (Gel Spun Polyethylene) is by far the strongest thread on the planet. Distinct from other brands, Veevus G.S.P. thread has been designed
Veevus GSP Thread - Gel Spun
Veevus GSP Thread 100 Denier Black, Fly Tying Materials - Canada
Semperfli Nano Silk 18-0 (30 Denier) – Tactical Fly Fisher
This is the strongest thread available. I use this thread for spinning Deer hair and any other job that requires a lot of thread torque.
G.S.P. 100 Thread
UTC Gel Spun Thread