Hohner Marine Band Harmonica, Key of F One of the world's most recognizable harmonicas, known for its full tone and wood comb Tuned to key of F; also available in other major keys, lower and higher octave, and minor tunings Made famous by players from Little Walter to John Lennon, Paul Butterfield to Bruce Springsteen, and more 20 reeds with 0.9mm brass reedplates; pearwood comb Includes distinctive protective case