10-hole diatonic harmonica in D-major Richter tuning that has a smooth and comfortable plastic comb, brass reeds, and stainless steel covers. It is a perfect instrument for those looking to use this instrument in rock 'n' roll or blues. This model is similar to Hohner's Old Standby harmonica but with a little more edge and a brighter sound. It is tough, durable, and a great starter harmonica for beginners.