Gauges: 12-16-24-32-42-53.These acoustic guitar strings feature a computer-controlled wrapping around a hex core. DAddario is the worlds largest manufacturer of strings for musical instruments. Many top guitarists wont play any other brand. Regardless of your playing style, DAddario has a string set thats right for you.. Gauges: 12-16-24-32-42-53. These acoustic guitar strings feature a computer-controlled wrapping around a hex core. DAddario is the worlds largest manufacturer of strings for musical instruments. Many top guitarists wont play any other brand. Regardless of your playing style, DAddario has a string set thats right for you.