NIckel-plated steel on traditional roundcore.
Significantly less tension.
better flexibility and more sustain than hexcore strings with hexagonal core .
Optimal sound.
easy to play.
long sustain .
Roundcore strings must not be shortened before tensioning.
otherwise the wrapping could come loose and the string becomes unusable. .
X50M Medium wound G .012 .016 .024w .032w .042w .052w.
No single strings available!.