Scientific Anglers Mastery Titan Taper Floating Fly LineShort, powerful head Loads quickly and delivers the biggest flies to the furthest targets with minimal back casts. Ideal for chucking streamers from boat or while wading. For temperate climates. WF6F thru WF10F. Color is Blue with Green head. MASTERY 'TITAN TAPER' LINES feature SA ID line identification on the first 1 2 feet of the tip section of your line, new ST+ slickness additive, Streamlined Welded Loops on both ends.