Scientific Anglers WF-5-F Sharkwave Trout Fly Line, Ivory/Optic Green/Willow Dry Tip Technology combines with our Sharkskin texturing for ultimate flotation Mastery Textured running line delivers longer casts without abrasion Features the Tactile Reference Point (TRP), a non-embossed section at the end of the head Delicate deliveries, even at a distance