Whether you are a beginner or have been playing harmonica for years, a Fender Blues Deluxe Harmonica is definitely a great choice. This diatonic 10-hole harmonica delivers the traditional bright, clear sound that is characteristic of quality harmonicas, and it is carefully crafted for durability. Typical Fender quality. It features a chrome-plated metal casing and water-resistant ABS plastic combs for a bright tone and stable tuning. The ventilated plastic case allows moisture to escape after playing. The set includes harmonicas in the keys of C, G, A, D, F, E, and B, all in a carrying case.