Its very strong for its diameter, synthetic, non-fraying silk to the flies in the full size range. It can used primarily for under body and external body areas. Body Thread is very difficult to destroy by trout and grayling. After twisting the fibers, the silk is extremely durable. Riverruns body thread does not change color in water. Multi-purpose for making the body dry, wet flies and nymphs.
This is a 170-denier thread and comes with 50yds of thread per spool. Choose from a wide range of holo-effect colors.
If you buy one set, you will get 10 colors, available colors are Pink, Brown, Black, Light Yellow, Green, Tan, Gary, Light Tan, White and Yellow.