SAMSFX Fishing Quick Nail Knot Tying Tool Copper Rivet with Zinger Retractor Easy to use knot tool comes with retractable zinger, 24"/ 60cm nylon cord and 1.5 oz/ 45g retract force Copper rotary shaft rivet on the nipper means rust-proof, more flexibly rotation and a lifetime of use Durable 420 stainless steel construction nipper, 3 in 1 design consolidates nipper into one useful fast tie knot tool This special nipper from SAMSFX features line clippers, jig eye cleaner / knot picker and quick nail knot tool combo Great for clearing hook eyes, cutting mono and fly fishing line, tying hook or lure knots like professional