Designed for fast-action fly rods, with low-stretch, ultra-slick performance. A full line size heavier to easily load fast rods Built with RIO\'s exceptionally slick, durable SlickCast Low-stretch ConnectCore Plus for the best in casting control, performance and smoothness Features RIO\'s SureFire tricolored measuring system for increased accuracy and distance control Front-loaded, short head The ELITE RIO GRAND is a full line size heavier than the industry standard, and features more weight distributed towards the front of the line to easily load faster action fly rods. The low stretch core gives incredible levels of sensitivity when casting and fishing, and provides enhanced detection of takes, faster hook sets, and far greater control when playing a fish. The RIO Grand is the best choice of line for the modern, fast action fly rod. In addition, this line is built with SlickCast, creating the slickest, most durable coating on the market—producing the least amount of friction ever measured in a fly line. FEATURES SureFire Easy ID Tag Front Loop Back Loop   SKU SIZE TYPE HEAD TOTAL COLOUR 6-19273 WF4 Floating 37ft 90ft Green / Yellow / Gray 6-19274 WF5 Floating 37ft 90ft Green / Yellow / Gray 6-19275 WF6 Floating 39ft 90ft Green / Yellow / Gray 6-19276 WF7 Floating 40ft 90ft Green / Yellow / Gray 6-19277 WF8 Floating 41ft 90ft Green / Yellow / Gray