Scientific Anglers Amplitude Smooth Mpx Floating Fly LineBuilt a half size heavy, the MPX taper starts where the GPX left off. Redesigned with more mass toward the front of the head, the MPX provides the same benefits of the GPX, with an added emphasis on presentation. The power is still there, only with an added bit of finesse. Made a half size heavy to load fast action rods. Braided multifilament core, for use in moderate or cold climates. COLOR: Optic Green Moss Buckskin. WF3F thru WF8F