Martin Strings MA4850 SP Bass Phosphor Bronze Medium Acoustic Bass Guitar Strings

Part of the Martin Strings Authentic Acoustic Superior Performance Series, the MA4850 SP Bass Phosphor Bronze Medium Acoustic Bass Strings are remarkably durable, stable and good-sounding. These medium-tension acoustic bass strings feature a tin-plated steel core that's been wound with phosphor-bronze for full, warm sound and are gauged .045 to .105.