Martin MA550S Marquis Silked Medium 13-56 Phosphor Bronze Acoustic Guitar Strings

Martin® Authentic Acoustic® Marquis® Silked strings feature a soft silk wrap that prevents wear and tear on the bridge holes and bridge plate as you play. The added thickness also ensures that bridge pins will stay locked in place, even in older bridges with worn holes. Their impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process.

Medium .013 .017 .026 .035 .045 .056