Martin 000-15SM w/Softshell CaseMartin 000 15SM Overview The Martin 000 15SM brings a vintage inspired approach to the 15 Series with a 12 fret neck joint and slotted headstock, offering a different feel and response compared to standard 14 fret designs. Its all solid mahogany construction delivers a warm, focused voice with strong fundamentals and a dry, woody character that suits both fingerstyle and light strumming. With a longer 25. 4" scale length and a comfortable Modified Low