Cortland Indicator Mono Leader Material indulges your passion for building your leaders for all types of fly fishing lines. The monofilament material creates a colored sighter for high-stick nymphing techniques and builds visible leaders for strike detection. If you're fishing for spooky trout in shallow and gin-clear water, you can augment your euro-nymphing tactics with a hand-built French Leader using this indicator leader material. It is said that the white material increases the visibility of the line when tied ahead of the bi-color monofilament. Test strengths found in this Cortland leader material span the needs when fishing for trout, steelhead, and salmon. The Cortland Indicator Mono Leader Material lineup offers 50-foot spools for leader building. Use to build visible leaders that help with strike detection Monofilament offers more suppleness than fluorocarbon for better floating Stands out against any background Test (lbs.) Diameter (in.) 8 0.009 9 0.010 10.5 0.011 11.8 0.012 12.4 0.013 13.9 0.014 Made in the USA