Martin Guitar OM Custom Cocobolo; Acoustic Guitar; Shape: Grand Auditorium (0000/M); Top: Solid Bearclaw Engelmann Spruce; Back: Solid Cocobolo; Sides: Solid Cocobolo; Neck: select Hardwood; Fingerboard: Ebony (Diospyros Crassiflora); Inlays: Diamonds and Squares Long; 20 Frets; Nut: Bone; Nut Width: 44,5 mm (1,75"); Scale: 645 mm (25,4"); Fingerboard Radius: 406 mm (16"); Bridge Material: Ebenholz (Diospyros Crassiflora); Saddle: compensated Bone; Pickguard: Faux Tortoise; Binding: White on Body Top; Tuners: Schaller GrandTune with Butterbean Knobs; Incl. Case; Colour: natural; Stock Strings: .012-.054; Made In USA