UNI Cord 12/0 50den 50yds – an extremely strong and flat fly tying thread, specifically designed for demanding tying tasks. The thread is made of gel-spun polyethylene (GSP), which makes it significantly stronger than many other tying threads.
This thread is designed to withstand high tension without the risk of breaking, making it an excellent choice for tasks such as creating muddler heads. The thread is also flat, which facilitates achieving a smooth and neat tying surface.
UNI Cord 12/0 has a strength of 50 denier and is supplied on 45-meter (50-yard) spools. The thread is unwaxed, providing more flexibility in tying and the option to use wax as needed. This thread is particularly useful in situations where a thin yet extremely durable tying thread is required.
Summary: This thread is specifically designed for demanding fly tying tasks where a thin yet extremely durable thread is needed. UNI Cord 12/0 offers excellent tensile strength and a flat structure, making it an ideal choice for a variety of tying tasks.
Recommended Use: Particularly suitable for creating muddler heads and other tying tasks requiring a thin yet extremely durable thread.
Product text updated on 26.2.2026.
