Gauges: 10-14-24-34. Genuine phosphor bronze alloy retains flexibility as well as brilliant tone for many hours of hard play. Computer-controlled wrapping around a hex core ensures consistency and extends life. Many top players won"t play any other brand. Gauges: 10-14-24-34. D"Addario is the world"s largest manufacturer of strings for musical instruments. Many top guitarists won"t play any other brand. Regardless of your playing style, D"Addario has a set of strings that"s right for your mandolin.