These premier thread sets were hand selected by industry pros to specifically meet the need for tying particular fly styles. The Dry Fly & Midge Selection pinpoints just what you need to tie these specific patterns. Top Color Choices , Thread Sizes, and Styles were the number one priority when building these no-nonsense assortments. Match all your favorite Dry Flies & Midges With Hemingway's Premium Standard, and Twisted tying thread in 8/0 diameter. "Created By Mother Nature, Made Possible By Hemingway's!"