Acoustic guitar strings featuring Yamaha's unique anti-rust technology.

The colors and finishes shown may vary from those on the actual products.

  • Anti-rust capability
  • Long-life performance
  • Same natural sound and feel as regular strings (patent pending)
  • 3rd-6th strings are coated

Its special micro-coating (only on wound strings) offers the following benefits:


Set List

FS51:1E / .012" (0.30mm), FS52:2B / .016" (0.40mm), FS53BT: 3G / .025" (0.63mm), FS54BT: 4D / .032" (0.83mm), FS55BT: 5A / .042" (1.07mm), FS56BT: 6E / .052" (1.33mm)

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