Brand: Martin
Collection: Authentic Acoustic / SP
Set gauges: 12, 16, 25w, 32w, 42w, 54w
Wrap material: Phosphor Bronze
Construction: Round Wound
Core shape: Hex Core
Trebles: Plain Steel
Anchor: Ball
Number of strings: 6 string
Optimal tuning: E-Standard
Plain wound 3rd: Wound 3rd