![Uni-Thread Trico 17/0 Uni-Thread Trico 17/0](https://cdn11.bigcommerce.com/s-h2y6vnq36v/images/stencil/290x360/products/1079/1537/uni-trico__98216.1631468823.jpg?c=1)
Uni Thread
UNI Caenis Thread 20 Denier
$2.48
Uni Caenis Ultra thin Thread This is the lightest thread we've seen. It measures just 20 denier, which would be about 19/0 or 20/0. Absolutely perfect for your smallest flies. Choose from black or white. 200 yard spool
![](https://cdn11.bigcommerce.com/s-h2y6vnq36v/images/stencil/100x100/products/1226/1739/eng_pl_uni-caenis-thread-7963_2__83199.1631469699.jpg?c=1)
UNI Caenis Thread 20 Denier
$2.48
Uni Caenis Ultra thin Thread This is the lightest thread we've seen. It measures just 20 denier, which would be about 19/0 or 20/0. Absolutely perfect for your smallest flies. Choose from black or white. 200 yard spool
![UNI Caenis Thread 20 Denier UNI Caenis Thread 20 Denier](https://cdn11.bigcommerce.com/s-h2y6vnq36v/images/stencil/450x338/products/1226/1739/eng_pl_uni-caenis-thread-7963_2__83199.1631469699.jpg?c=1)