Hohner Marine Band Crossover, Boxed, Key of F

10-hole diatonic Reedplates: brass; 0.9 mm Comb: sealed bamboo (patent pending) Hohner harmonicas feature: Improved reed profiles to increase reed life by over 200% Precision die punches to ensure reed plates with unparalleled air tightness Improved tuning accuracy (through investment in innovative new tools) Extremely stable stainless steel covers that won't tarnish and are easy to clean Dynamic range and highest volume of most any commercially made harmonica Super-fast response at all volume levels Easily adjustable for overblows A unique Hohner sound that is a tone benchmark for blues, folk, and rock