Great B string, really strong so it's not likely to snap under heavy playing, whether rhythm or lead. The sound is great for the highs, it's bright and clear within chords so nothing gets lost and for lead lines its smooth and not too piercing once you get into the higher positions of the neck. It sits nicely between various string gauges as well, without being too much of a change in size when moving from string to string, I'd be happy using a gauge .012 amongst various other string sets such as a .009 or .00105 set without any issue.