Scientific Anglers Amplitude Smooth Infinity Fly Line in bright orange SCIENTIFIC ANGLERS Amplitude Smooth Infinity Floating Fly Line Colors Scientific Anglers Amplitude Smooth Infinity Salt Fly Line Saltwater Scientific Anglers Amplitude Smooth Infinity Saltwater Fly Line Black Scientific Anglers Amplitude Smooth Infinity Salt Fly Line The. The Amplitude Smooth series of lines are, simply put, the highest performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance. The conventional wisdom in fly fishing is that theres no such thing as a do it all freshwater line. We have something to say about that. The Amplitude Smooth Infinity has the power to bomb out streamers, yet retains delicacy for dry flies. It mends like an absolute dream, and delivers flies at all distances. Built a half size heavy, with a long head and substantial front taper, its perfect for everything from trout and panfish to pike and steelhead. Theres a reason we call it the Infinity: there is no end to what youll be able to do with it. Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability Extremely versatile general purpose taper designed for most freshwater species; and excellent line for trout, grayling, panfish, bass, carp, steelhead, salmon, and pike Made a half size heavy to load fast action rods, but works well with a variety of rod actions Extended head length for long distance casts and superior mending ability Excellent for dry flies, nymphs, and streamers For use in moderate and cold climates Braided multifilament core