The beauty and high-quality sound of the AC-4 Islander concert ‘ukulele are what makes it the most popular Islander ‘Ukulele instrument. Acacia Concert Body Open Geared Chrome Tuners Bridge Pin Technology 1st Gen. Kanile’a Bracing System Aquila Corde Strings Satin Finish - Top: Acacia - Back and sides: Acacia - Neck: Okume - Fingerboard: Walnut 19 frets - Inserts: ABS dots - Nut: NuBone - Bridge: Walnut with black ABS pins - Machine heads: Metal black knobs - Strings: Aquila - Scale length: 381 mm (15 ) - Total length: 609 mm (24 ) - Maximum width between upper sides: 152 mm (6 ) - Maximum width between lower sides: 206.4 mm (8.13 ) - Minimum width between sides: 127 mm (5 ) - Width at nut: 38 mm (1 1/2 ) - Body thickness: 55.6 mm (2.18 ) to 68.3 mm (2.68 ) - Colour: Natural - Finish: Satin