Martin MA150PK3 SP 80/20 Bronze Authentic Acoustic Guitar Strings (Medium 13-56) are designed for performers, ensuring durability during practice and performances. They feature a high-tensile-strength core wire that is tin-plated for corrosion resistance. Combined with top-quality wrap wire, these strings provide a consistent, true tone you can rely on. Available in 80/20 Bronze and 92/8 Phosphor Bronze, Martin Authentic Acoustic SP® strings offer excellent tuning stability, corrosion resistance, and great playability.
