UTC 70 -  For tying the small flies, ideal choice for dry flies, nymphs, and midges size 14 or smaller.

UTC 140 - For the majority of flies, it is the perfect choice for size 2 – 16 flies. Due to its vibrant sheen and excellent color retention, it is a good substitute for floss on small flies.

UTC 210 -  For saltwater flies and large streamers. Perfect for spinning hair on bass flies without being too bulky.