Scientific Anglers Mastery Series GPX Designed to excel for most flies and conditions Medium front taper with slightly oversized tip for high floatation and strong delivery with bigger flies and in the wind Welded Streamlined Loop - slick and strong - for easy connections and seamless fishing (front) Specially formulated 3M PVC integrated with patented AST and Dry Tip Technology Made half-size heavier to better load fast-action graphite rods and deliver terrestrials, nymphs, and other bigger, heavier trout flies