Ibanez AUT10-OPN, Tenor Ukulele, AU Series, Top: Spruce, Back and sides: Solid paulownia, Dowel-reinforced neck: Okoume, Neck finish: Open pore, polyurethane lacquer, Fingerboard: Purpleheart, Fingerboard inlays: White dots, Fretboard radius: 400 mm (15.75