Agent X Technology; DualTone; Front-End + Back-End Welded Loops New for 2015. Designed specifically for the demands of the GT fly fisher RIO&&';;s GT line has been specifically designed for the demanding conditions faced by the hardcore GT angler. Each line features a powerful front taper to cast the biggest of flies, and a short, heavy head to easily load powerful saltwater rods. 75 - 100 degrees Weight Forward Floating 400gr - 475gr - 550gr Length: 100&'; Head: 36&'; Color: Kelp Head w/ Orange Running Line