Martin & Co. Martin ooo-16GT Gloss Top Auditorium This model, with only the top finished in gloss and the sides and back in satin finish, produces a light and crisp sound. Comes with a hard case and an aftermarket pickup. String height at the 12th fret in regular tuning: 1st string side: approx. 2.2mm 6th string side: approx. 2mm The neck is straight. There are dents, etc. when light is shone on it. Please understand that this is a used guitar. Please check the condition thoroughly in the photos before purchasing.