The Seydel 1847 Concerto Steel harmonica is the highest grade octave harmonica. As a double-reed octave it has 40 high quality reeds to produce a full sound sure to impress your audience. Each of these reeds are built to last in stainless steel known to have a much longer life than brass. With a maintenance-free plastic comb too youll be enjoying this durable harmonica without any stress. Enjoy solos or accompanying others with this quality sound. Capable of both bold melodies and rich chords the Concerto Steel is ready for anything. Its easy to get used to with a note-layout just like on a 10-hole diatonic making it the perfect addition to your harmonica collection. Compact and attractive too its the ideal pocket performance companion.