Damage Prevention Technology: A carbon fiber core with a rugged rubber coating protects lines from fraying and wear, extending tool life and keeping knots consistent during long fishing sessions. Compact and Portable: Fits in any tackle box. Lightweight and slim, it travels easily and lets you tie knots quickly. Improved Usability: Smooth surfaces and an ergonomic, nonslip grip provide comfortable handling and precise knot tying with less effort. Smooth Performance Design: Delivers smooth line feed and strength knots, optimized for PE braided lines. A polished interior reduces friction for consistent results and efficiency. Material and Compatibility: Built from carbon fiber and rubber for durability; compatible with monofilament, fluorocarbon, and braided lines. Use cases: Freshwater shore or bank fishing: keep in your tackle box for rapid knot tying when swapping lures or hooks. Saltwater boat or pier fishing: tie strong knots on braided lines with reduced line wear. Backcountry trips or camping: travelfriendly and ready for quick repairs in any environment.