Martin MSP6000-8PK SP Lifespan 80/20 Bronze Acoustic String, Extra Light, 10-47, 8 Pack

At C. F. Martin & Co., they design their strings like they design their guitars - with maximum performance, exacting tone, and playability in mind. They know that musicians demand strings that will perform on stage or in the studio or wherever your music takes you. Martin SP Lifespan strings take Martin's legendary quality even further, by giving your guitar exceptional tone, clarity, and response that lasts. Treated with Martin's Clear tone proprietary formula, SP Lifespan strings repel dirt and oil and play like new, long after conventional strings wear out.