UTC Ultra Thread
A premium fly tying thread available in sizes suitable for general purpose fly tying, deer hair, streamers and large saltwater flies.
140 denier: This is a good general purpose fly tying thread that's perfect for tying small flies in the #6 to #14 size range. Break strength of about 2#. 100 yard spool.
210 denier: This is good for tying streamers, deer hair, poppers and many saltwater fly patterns. Use when tying flies in the 8 to 1/0 size range. Break strength of about 3 lbs. 100 yard spool
280 denier: A good choice for heavy hair work, attaching dumbbell eyes and tying large saltwater and musky flies plus jigs. Use when tying flies in the 2 to 6/0 range. Break strength of about 4 lbs. 100 yard spool