6 string Tenor Ukulele. The Solid Acacia line bears curling that is similar to its close relative Koa. The Acacia's resemblance to its cousin is apparent in its beautiful, varied grain pattern. The Solid Acacia line bears curling that is similar to its close relative Koa. The Acacia's resemblance to its cousin is apparent in its beautiful, varied grain pattern. The all solid wood allows the sound to improve as it is broken in. Scale Length: 17 inches, Overall Instrument Length: 26.125 inches, Body Length: 11.75 inches, Number of frets: 18, Width at upper bout: 7 inches, Width at lower bout: 9.125 inches, Width at waist: 5.5 inches, Body Depth: 3.12 inches, Fingerboard width at nut: 1.39 inches, Fingerboard width at neck/body joint: 1.8 inches. Case included. Finish: Natural Satin.