Shimano Mastiff Fluorocarbon Line, formulated in Japan with stringent product control, is a 100% fluorocarbon that provides anglers with consistency, dependability, and strength. Not only does it exhibit increased smoothness and suppleness, but also boasts NANOARMOR technology, a special construction with nano-size ridges that strengthen knots and increase line toughness.

This designhas been created to minimize line breakage and ensure maximum performance. The line surface itself is measured down to just 1 micron, far surpassing the standard quality control of other lines. All in all, a perfect tool to have if you're casting, twitching, or jerking larger lures, givinganglers complete assurance when out on the water.