In a class all its own, Daiwa J-Fluoro Samurai Fluorocarbon Fishing Line brings invisibility and high performance to anglers of all walks. The Made in Japan line is designed and manufactured to bring a new level of fishability to all, offering a multitude of sizes with varying levels of stretch and stiffness and super small diameter. All are wound on ergonomic spools with convenient filler-enabled spool protectors with a D-VEC halfway sticker located at 110 yards to inform the user of available line. If you're serious about masking your presentations whether it's as mainline or a leader, J-Fluoro Samurai should be on your essentials list. Wound on an ergonomic spool.