- 20 mm (3/4") - tube length
- preferred length for tying trout flies
- utilizes all standard factory spools
- custom tube lengths available on request
- choice of ceramic insert or polished stainless steel tube
- 32mm (1 1/4") - tube length
- preferred length for tying salmon, warmwater & saltwater flies
- utilizes all standard factory spools
- custom tube lengths available on request
- choice of ceramic insert or polished stainless steel tube