Scientific Anglers Amplitude Textured Infinity LineScientific Anglers Amplitude Textured Infinity Fly Line The Scientific Anglers Amplitude Textured Infinity is a premium textured fly line engineered for maximum distance and shooting performance. The AST Plus slickness additive and textured surface reduce friction through the guides for effortless, long casts critical when you need to reach rising fish at distance on big western tailwaters. The Infinity taper loads the rod quickly at short range and