Yo Zuri Power Carbon leader premium fluorocarbon leader  is Super Clear and does not turn cloudy in salt water or transfer light like other fluorocarbon leader. Power Carbon has a higher knot strength, improved overall strength and better clarity even when it gets chaffed or nicked.  Power Fluorocarbon has a lower refractive index, closer to that of water.  Power Carbon is more supple and handles easier than older generations, improving knot tying and overall use.  Because of its high density, Power Carbon is more sensitive and sinks faster.  Available in Super Clear 30 yard spools in line tests from 4 - 200lb.