- ULTRA 70 has a breaking strength of approximately #1 and is recommended for size 14-32 flies
- Lies flat less build up on the smallest trout pattern
- Great for thread bodied nymphs and midges
- 70 denier nylon
- ULTRA 140 has a breaking strength of approximately #2 and is recommended for size 6-14 flies
- A good general purpose thread that is also perfect size for beginners tying trout flies
- Makes a wonderful thread for the split thread dubbing technique
- 140 denier nylon
- Lies flat less build up on the smallest trout pattern
- Great for thread bodied nymphs and midges
- 70 denier nylon
- ULTRA 140 has a breaking strength of approximately #2 and is recommended for size 6-14 flies
- A good general purpose thread that is also perfect size for beginners tying trout flies
- Makes a wonderful thread for the split thread dubbing technique
- 140 denier nylon