This sale is for 1 set (6 strings per set) of brand new Martin MA550 Phosphor Bronze Authentic Acoustic Guitar Strings; gauges 13-56.

Product Information:

• Gauges 13-17-26-35-45-56
  
• Individually boxed... new... never opened or used!
• Martin® Authentic Acoustic® Superior Performance SP® strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Martin's impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process.
• designed for sustain tuning stability
• designed resist corrosion by having tin plating on all six strings
• have high tensile steel core wire that is the best in the industry

Shipping Information: