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

• Bronze-wound for a warm, bright tone.
• Ball-end design for universal use
• Made in the USA
• Environmentally friendly, corrosion-resistant packaging
• String Gauges: 042w/.018, .032w/.014, .024w/.010, .018/.018, .012/.012, .008/.008