Seaguar Tatsu Fluorocarbon

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Seaguar®, the inventor and world leader in fluorocarbon fishing line, recently introduced TATSU™ – an amazingly strong, yet supple, fluorocarbon fishing line with extraordinary knot strength and exceptional castability. Known as R-18 in Japan, TATSU™ – Japanese for dragon – provides anglers with remarkable tensile, knot and impact strength through Seaguar’s exclusive, state-of-the-art double-structure process. Double Structure Fluorocarbon (DSF) creates two custom, 100% Seaguar fluorocarbon resins: a softer exterior resin to enhance knot strength and a high-density interior resin to improve tensile strength that are extruded together as one solid piece. The end result is a high performance fluorocarbon line that offers anglers tremendous application flexibility. It can be spooled on spinning and bait casting reels as a mainline, tied to braid as an in-shore top shot and as a premium leader material. Available in 4 to 20 lb test in 200 yd spools, TATSU™ also features Level Wind Technology™, another Seaguar® exclusive. This process spools the line by laying it down side by side, never crossing itself. The final spool is as smooth as a spool of thread, with no cross contact marks, for maximum line strength without any line overstress or twist.

Tatsu 200 Yard Spools
Item Number 
  04 TS 200
.165 mm
.007 in.
  06 TS 200
.205 mm
.008 in.
  08 TS 200
.235 mm
.009 in.
  10 TS 200
.260 mm
.010 in.
  12 TS 200
.285 mm
.011 in.
  15 TS 200
.330 mm
.013 in.
  20 TS 200
.370 mm
.015 in.