Sign up for UTC Ultra Thread Fly Tying Thread - 70 Denier, Purple, 100 Yard Spool - Engineered Nylon For Durability & Low Buildup
Hey fly tyers, meet your new favorite thread.
UTC's Ultra Thread is made specifically for us – not some repurposed sewing thread.
This 70 denier purple is strong, super flat, and has just a bit of wax to help it lay down smooth and grip materials tight.
It's nylon, which means it stretches a little and gives you better 'feel' on the bobbin, plus the colors are way more vibrant than polyester.
The flat profile is the real secret weapon – it wraps thin so you get less bulk on the hook, which is a lifesaver when tying tiny flies or working near the eye.
A 100-yard spool fits any standard bobbin, and the color-coded cap makes it easy to spot in your box.
Perfect for everything from delicate dry flies to durable streamers.
Give your flies a professional, clean finish with thread that’s actually designed for the job.
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