"The do-everything Swiss Army line. If you&&';;re looking for 1 general purpose line, this is it." -Adam The RIO Gold is the ultimate all round, floating line for the trout fly fisher. Long head for ultimate casting control Taper design to cast flies between #22 and #2 Low-stretch ConnectCore Plus for the best in casting control, performance and smoothness Built with RIO&';s exceptionally slick, durable SlickCast Features RIO&';s SureFire tricolored measuring system for increased accuracy and distance control.