Hareline Fluorocarbon Sinking Furled Leaders- These are the tightest wrapped and best shock absorbing furled leaders that you attach to the end of your fly line. These leaders offer superb turnover. Use for all of your nymph fishing needs. Just add the tippet and the flies. Tippet ring included. Choose from 3/4, 4/5, 5/6 and 7/9. Choose from 8' or 10' lengths.