The 10-hole, diatonic Hohner 572 Hot Metal Harmonica has a smooth and comfortable plastic comb, brass reeds, and stainless steel covers. It"s an economical harmonica for those looking to rock out while playing rock "n" roll or lay down some blues. The 572 Hot Metal is similar to Hohner"s Old Standby harmonica but with a little more edge and a brighter sound. It"s tough, durable, easy-on-the-wallet, and a great starter harp for those just finding their chops. Choose you desired key! About Hohner: Hohner is a family company founded in 1857 in Trossingen, Germany by Matthias Hohner. Hand-made quality and close attention to detail has set Hohner apart from the beginning. A top leading brand in harmonicas, Hohner harps are distributed worldwide. Hohner harmonicas are played on the street by buskers, in intimate nightclubs, on festival stages, and even in Carnegie Hall. Despite a diverse harmonica line used in music from country to classical genres, the most famous Hohner harmonicas are their simple, 10-hole diatonics used frequently by blues, rock, country, and folk musicians.10-hole diatonic Standard (Richter) tuning Plastic comb Brass reedplates 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 adjustability for overblows A unique Hohner sound that is a tone benchmark for blues, folk, and rock