All I can say is they feel light when you're holding them. I can feel the light bite because they are really sensitive. Here's the kicker for me, when I set the hook that's when the rod shines. You go from feeling like an ultralight to feeling like a medium fast action rod. These things have great backbone. I've caught several types of fish with mine, including catfish, and white bass. One other bonus, they stand behind their product. I had one break on a Thursday, and they had me a new one on Monday. I explained how I broke it he didn't ask for anything other than delivery info, he apologized, told me he was shipping next morning. I'm not sponsored or affiliated with ACC, but I am a satisfied customer.
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