Fly Tying Thread Sizes Chart. Fly tying threads can be pre waxed or wax can be added to reduce the slip and allow materials such as dubbing to ahdere. Black is a very popular colour along with olive but their is a vast range of colours available of threads.

Fly tying thread come in a massive range of sizes from 18/0 to 3/0 or 30 denier to 200 denier using more modern sizing. Black is a very popular colour along with olive but their is a vast range of colours available of threads. Fly tying threads can be pre waxed or wax can be added to reduce the slip and allow materials such as dubbing to ahdere.