Nail Knot Tool Every fly fisher knows the importance of strong, secure knots, and our new Nail Knot Tool makes tying them easier than ever. Whether you're attaching a leader to your fly line or securing connections for smooth, snag-free casts, this tool ensures a seamless connection between your fly line and leader and precision and reliability every time. Fast, secure knots Easily tie perfect nail knots for seamless line-to-leader connections. Quality construction CNC machined from high-quality marine-grade T6 aluminum Durable coating - Finished with the best type II anodized coating for durability and long-lasting performance. Versatile - Great for both fresh and saltwater. Ergonomic design With line groove and thumb detent to keep ends stable and in place when tying knots - especially useful when attaching a leader, or any kind of mono-filament, to a fly line. Pocket-sized convenience A splitring that clips to your vest, pack, or lanyard for quick access on the water. Easy instructions enclosed Blue color Don't let weak knots cost you fish. The new Nail Knot Tool helps you tie professional-grade knots with confidenceevery time you hit the water!