The OG20 Classical Octave Guitar set includes Professional Series clear high-density nylon trebles and silver-plated wound basses. The extra low strings are specially designed for modern concert guitars with additional basses. These strings are designed to be tuned one octave above standard EADGBE guitar tuning.

• Scale Length: 405 mm
• Total String Length: 33″
• Tuning: One Octave Above Standard EADGBE Guitar Tuning
• Trebles:
  • Clear Nylon .025″ .029″ .036″
  • Basses: Silver-Plated Wound .025″ .030″ .037″
• Made in the USA with American Wire
• Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness