• World's Top Brand: Martin, the leading acoustic guitar brand, brings you these superior strings.
• Flawless Quality: Made in their own factory in Mexico, with strict quality control and long - lasting foil wrappers.
• Stunning Tones: High - tensile steel core with tin - plating for power and corrosion resistance, premium bronze alloys for bold acoustic tones.
Martin Authentic Acoustic Superior Performance (SP) strings are the flagship and the most sought - after acoustic guitar strings. They're crafted by the world - renowned Martin brand. Produced in their Navojoa, Mexico factory, each set is of impeccable quality and packed in modern foil wrappers. The high - tensile steel core, tin - plated for corrosion resistance, provides strength and power. Premium bronze alloys are used in specific ratios for the best acoustic tone. 80/20 Bronze offers bold, bright tones, while Phosphor Bronze adds low - mid warmth and smoother highs.

These Martin acoustic guitar strings are perfect for both amateur and professional guitar players. Whether you're performing on stage, practicing at home, or recording in the studio, these strings will enhance your playing experience. They come in a 12 - string set with a 12 - 54 gauge, which is suitable for most acoustic guitars. The high - quality materials ensure long - lasting performance and great sound.