Scientific Anglers WF-12-F Sharkwave SWT Fly Lines with Loops, Yellow/Turtle Grass/Horizon 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 All-around floating compound taper, perfect for fish on and off of the flats