The Kongshen 10 holes Key of A harmonica is a high-quality musical instrument perfect for beginners, advanced musicians, professionals, and experts. This diatonic harmonica features a small bore size and a high polish finish in purple and silver colors. Made in China by the brand Kongshen, this harmonica offers a unique playing experience with its distinct key of A sound. It is a versatile instrument that can enhance any musical performance or practice session.The Baby Fat 7 holes Harmonica is in the key of B and sound great,You are Buying both for one money.