Meet the ideal all-around freshwater material. The wet knot strength of SuperStrong(TM) is higher than any other nylon material, meaning when that big brown chomps on your hopper, you can finish the fight without fear of breakage. With a perfectly balanced blend of elasticity, knot strength, and suppleness, SuperStrong is versatile and adaptable. Nylon. Imported. 30 Meter Spools Nylon freshwater tippet material Perfectly-balanced blend of elasticity, knot strength, and suppleness Highest knotted strength of any nylon material on the market STRENGTH COMPARISON - SUPERSTRONG PLUS TIPPET MATERIAL Use the following table to understand how sizes relate to different metrics. SIZE DIAMETER (IN) POUND TEST (LB) 8X 0.003 1.4 7X 0.004 2.3 6X 0.005 3.3 5X 0.006 4.4 4X 0.007 6.0 3X 0.008 8.5 2X 0.009 9.8 1X 0.010 12.7 0X 0.011 14.9