Scientific Anglers Amplitude Smooth Grand Slam Fly LineThe 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. Tarpon. Bonefish. Permit. All in one day. All on one fly line. Thats the idea behind the Amplitude Smooth Grand Slam, a line designed specifically to help you achieve one of anglings most elusive