Martin SP Acoustic 12-String Set: Phosphor Bronze Guitar Strings Extra Light MSP4600 .010 - .047

Martin MSP4600 Phosphor Bronze Extra Light 12-String Acoustic Guitar Strings are made with a unique composition to give brilliance, clarity, and longevity of sound. The phosphor bronze winding alloy is ideally suited for making strings that deliver deep, rich basses and clear, bright trebles.