EJ78 Phosphor Bronze Mandocello Strings, 22-74 D'Addario EJ78's are designed and gauged for the larger-scale, bowl-shaped bodied mandocello. The mandocello's four double courses of strings are generally tuned C to A. Designed and gauged for the mandocello Commonly tuned C to A Preferred for its warm, bright, and well balanced acoustic tone Made in the U.S.A. for the highest quality and performance String Gauges: .022/.022, .034/.034, .048/.048, .074/.074 Environmentally friendly, corrosion resistant packaging for strings that are always fresh