These custom-gauge strings are specially designed for use with the GM-12 Mando-Guitar. NOTE: Does not work with F-12. (which uses the FGS-12EX strings).

• Phosphorus Bronze for a warm, bright tone.
• Ball-end design for universal use
• Made in the USA
• Environmentally friendly, corrosion-resistant packaging
• String Gauges: 054w/.024w, .045w/.018, .032w/.011, .024w/.024w, .013/.013, .009/.009