Martin Guitars 2K Concert Ukulele, Concert Ukulele, Top: Solid Koa, Back and sides: SolidoOkume, Neck: Mahogany, Fingerboard: Rosewood, Fingerboard inlays: White dot, Scale: 381 mm, Nut width: 35.7 mm, Nut: TUSQ, 17 Frets, Machine heads: Nickel, Strings: Martin Guitars M600 Ukulele Strings (Art.#224271#), Colour: Natural, Includes gig bag, Made in USA