Scientific Anglers Frequency Trout Fly LineThe Scientific Anglers Frequency Trout fly line utilizes the tapered belly from the Infinity series with a slightly longer front and rear taper and a quarter size heavy weight scheme. Compared to Infinity, Frequency Trout leans more toward finesse but remains a capable general purpose trout line the choice for anglers who dont consistently fish heavy rigs like large streamers or bulky indicators. Longer front and rear taper than Infinity for finesse