MANDOLIN STRINGS MEDIUM: .011 .015 .026w .040w MEDIUM: .011 .015 .026w .040w Martin mandolin strings are the string of choice for mandolin players all over the world. Martin's state-of-the-art equipment winds their strings to exacting specifications. The result is a string you can depend on for tone, brightness, and clarity on a daily basis. This loop end set is made with phosphor bronze windings which are darker sounding than 80/20 bronze. M-460$4.41