This harp is engineered for consistent volume and tone when used for intense blues playing. It can hang with the toughest players on their most serious gigs. With a dirty, dark hard rockin' sound, this harmonica's unique tuning emphasizes all the best qualities of blues harmonica playing. MS components are interchangeable, allowing you to create a combination to suit your taste. • MFSKU 532BX-F 532/20 MS • UPC 400912601201