Chicago Blues KHCB-7A Complete 7 Major Key Harmonica Party Pack / Gift Set 7 Harmonica Collector's Gift Set Complete 7 Major Key Set Includes keys of "C-D-E-F-G-A and B" Each harmonica features: 10-hole nickel plated covers, Lucite frame, hand tuned brass reeds, electronically tested for accuracy. Comes in Blue velvet wood presentation/gift/storage box.