Grand Max is part of the Seaguar JDM Collection – imported from Japan for tackle junkies, avid anglers, and professional fishermen Created in Japan in 1999 and fits in the highest class of Seaguar leaders when looking at the combination of strength and sensitivity Made with Seaguar’s exclusive double-structure process with two custom Seaguar 100% fluorocarbon resins to create a leader with smaller diameters yet with exceptional knot and tensile strength Comes on a pocket-thin leader/tippet spool for easy carrying with spools that have a built-in connector to connect spools of different pound tests Comes on 60-meter spools (66 yards) and available in sizes from 2 lb. to 40 lb. tests - including unique pound test sizes: 3, 7, 17, and 35 lb. test.