Features 1、This Swan Blues harmonica is a good quality, very inexpensive diatonic instrument. 2、It features 10 holes with 20 tones. 3、This set gives you 7 Blues diatonic harmonica in the popular keys of A, B, C, D, E, F and G. Specification Blues Harmonica Set of 7 Harps with case. New and Sealed. Keys of A, B, C, D, E, F & G. Features: This Blues harmonica is a good quality, very inexpensive diatonic instrument. It features 10 holes with 20 tones. This set gives you 7 Blues diatonic harmonica in the popular keys of A, B, C, D, E, F and G. Give any musician the keys they need to be a successful harp player. Comes with an exquisite gift box for storing the set and wipes for cleaning it. Specifications: Model Number: SW1020-7T Material: Metal Number of Bores: 10 Pronunciation Method: Diatonic Item Size: 10 * 1.9 * 2cm / 3.9 * 0.7 * 0.8in (L * W * H) Item Weight: Each weight: 53g / 1.9oz; Cross weight: 375g / 13.2oz Package Size: 25.5 * 13 * 4cm / 10 * 5.1 * 1.6in (L * W * H) Package Weight: 665g / 23.5oz Package List: 7 * Blues Harmonica 1 * Gift Box 1 * Wipes Package List 7 * Blues Harmonica 1 * Gift Box 1 * Wipes