The standard copper wire ribbing material to provide durability, a touch of shine, and a little color to your flies. The x-sm size is great for thread bodied nymphs when coated with some Loon UV thin or Hard as Hull.
*Note* We are discontinuing UTC products due to their persistent supply shortages. Please look at one of our much more available substitutes from Semperfli, Sybai, and Uni that cover virtually all these colors and then some.
