Features the revolutionary AST Plus sickness additive for superior shooting ability and increased durability Long rear taper for extended line control and long-distance casting; the best nymphing taper Scientific Anglers offers An unbelievable indicator line for nymphing up trout and bass or swinging flies for steelhead and salmon; excellent for double-nymph rigs or hopper-droppers Overweighted by 1.5 sizes to assist in turning over heavy rigs; use designated line weight for your rod Use one size heavy for switch rods