5 meter spools of Nylon coated 7x7 stainless steel leader wire. Knot it to your bait and line like monofilament, but with greater flexibility and less stretch. Smaller in diameter per pound test, Surflon Micro Supreme is less visible in the water. Add a level of realism never before attainable - presenting life-like bait at any depth. Excellent for casting flies and tempting the most discriminating toothy fish to the surface. Surflon Micro Supreme is knottable! Attach using common monofilament knots such as the Albright Knot, Clinch Knot, Nail Knot, Perfection Loop, Surgeon's Loop, or Uni-Knot.