Martin 00-18 Sitka Spruce/Mahogany The 00-18 is an updated version of the the popular 00-18V. A Sitka spruce top and mahogany back and sides are the foundation for this classic grand concert model. A modified low oval high performance neck, East Indian rosewood headplate and an ebony fingerboard and bridge complete this model and make it a guitar you will treasure for years to come. FEATURES: Mahogany and spruce 00 size bodylow profile neck (1-3/4″ wide at nut)rosewood fretboard with shorter 24.9″ scale length (standard dreadnought scale is 25.4″)white pearl dot markerschrome enclosed tuning gearsNeck joins body at 14th fret.