RIO Elite Sub-Surface Camolux Fly LineAn intermediate sinking line built for camouflage and stealth with low stretch, ultra slick performance RIO's Elite Sub Surface Intermediate line is an intermediate sinking line with a sink rate 1. 5. This line is built with a unique camo coloration in the head that is extremely effective when targeting wary fish in clear water and is deadly efficient for fishing between 2ft and 6ft depth in lakes. The line also features a "hang marker" approximately