The InTouch RIO Gold has a taper design that gives incredible loop stability at distance and a front taper that delivers perfect presentation of flies between sizes #2 and #22. The ultra-low stretch ConnectCore provides groundbreaking levels of sensitivity for intuitively better cast timing, easier line lift and sharp, precise mends.Rio Gold InTouch Trout Series Fly Line Features:Perfect presentation of flies between #2 and #22ConnectCore improves cast timing, hook set and mendingUnique SureFire color system for improved accuracy and distance controlSKU Line SizeHead Weight Head Length Sink Rate Total Length6-20684 WF4F 126gr 45ft / 13.7m Float 80ft / 24.4m6-20685 WF5F 146gr 46ft / 14m Float 90ft / 27.4m6-20686 WF6F 168gr 47ft / 14.3m Float 90ft / 27.4m6-20687 WF7F 193gr 48ft / 14.6m Float 100ft / 30.5m6-20688 WF8F 218gr49ft / 14.9m Float100ft / 30.5m