Scientific Anglers Mastery Double Taper Floating Fly LineDesigned to do delicate work at shorter distances. An excellent dry fly line that excels at presenting flies with a touch of grace, which is extra handy on spring creeks and smaller streams. Excels at short to medium distances with dry flies and smaller nymphs. DT2F thru DT6F. Color is Dk Willow. MASTERY 'DOUBLE TAPER' LINES feature SA ID line identification on the first 1 2 feet of the tip section of your line, AST dry slick technology, Improved Dry