The U320 Soprano Ukulele is one of Their most popular models--no wonder when you consider all the outstanding features! The body is selected mahogany with arched back that significantly increases resonance. The fingerboard and bridge are genuine Rosewood with the fingerboard being inlaid with abalone position dots. The dolphin shape geared machineheads offer smooth and accurate tuning. The Nubone saddle made in Canada transfers maximum vibration to the ukulele generating louder sound fuller tone and more harmonics. And the Aquila Nylgut strings are simply the best ukulele strings on the market.