I think there is wild variability in different manufacturers' lines regarding what they call "lb. test", both in force required for breakage and diameter. Maxima UG is thicker than many mono's of the same test when you put a micrometer to it, and consequently it's "tougher and stronger" than other folks' same test products. I don't know if there's an industry standard for determining any of this, but I know I have confidence in the UG, and use it most of the time unless things are spooky and clear. Then I use Rio PowerFlex or sometimes Seaguar GMax, which have been good fluoro's for me anyways. Otherwise I don't use the fluoro's routinely,

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