Rio Elite Flats Pro Full Intermediate Fly LineRIO ELITE FLATS PRO FULL INTERMEDIATE Fly Line Built to match perfectly with the SAGE SALT HD and other powerful saltwater rods. Stiffness you need to fire into the wind, with significantly reduced memory. Built with a front taper that loads easily in close, and the mid length head and extended back taper provide stability for fast, accurate, long distance casts as well. WF8F I thru WF12F I.