Martin SP Lifespan Bronze Acoustic Guitar Strings 011-052

The all-new Martin SP Lifespan acoustic guitar strings are treated with Cleartone proprietary technology to bring you the longest possible string life without sacrificing tone or natural feel. Martin SP Lifespan strings are designed to repel the oils and dirt that can deaden strings. All six strings are treated to preserve the natural Martin SP sound and feel that players prefer.Martin SP Lifespan 80/20 Bronze acoustic guitar strings are made with bronzed steel core wire and bronze wrap wire, then all six strings are treated for long life.