Scientific Anglers Amplitude Smooth Bonefish Fly LineScientific Anglers Amplitude Smooth Bonefish Fly Line, 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. A day of bonefishing will either be the most fun youve had with a fly rod or the most frustrating day of your life. Take some of the chance out of the equation with the Amplitude Smooth