UTC Ultra Thread 140-Denier Nylon by Ultra Thread Company
An exceptionally popular and versatile all-purpose fly tying thread, UTC's 140d Nylon Ultra Thread comes conveniently pre-waxed and measures a medium-thin but resilient 140 denier. Great because it naturally wants to lay flat when relaxed and wrapped, but can be easily spun round when desired for enhanced strength and added bulk too, we offer UTC's 140-denier Ultra-Thread in a wide range of popular and proven colors certain to please.