D'Addario EJ80 Phosphor Bronze Octave Mandolin Strings, Medium, 12-46 Designed for use with octave mandolins of various scales Loop end construction for universal fit Preferred for its warm, bright, and well balanced acoustic tone Made in the U.S.A. for the highest quality and performance String Gauges: Plain Steel .012/.012, Phosphor Bronze Wound .022/.022, .032/.032, .046/.046 Designed for use with octave mandolins of various scales^Loop end construction for universal fit^Preferred for its warm, bright, and well balanced acoustic tone^Made in the U.S.A. for the highest quality and performance^String Gauges: Plain Steel .012/.012, Phosphor Bronze Wound .022/.022, .032/.032, .046/.046