Check the listing for details. Hohner108 Mini Harmonica, Key Chain, Key Of C Major. Condition: New. Listed at 7.00 USD. Key of C; Harmonica Length 1-3/8"; 4 holes; Comes with a keychain attached to the harmonica; The Hohner Mini Harp with Key Ring is a functioning 4 hole harmonica with 8 genuine brass reeds. The harmonica itself is just 1 3/8" long, yet plays a full octave. Attached key ring keep you Hohner Mini Harp within easy reach. My Music Life Our eBay Store About Us Contact Us Reviews Hohner108 Mini Harmonica, Key Chain, Key Of C Major Description Key of C; Harmonica Length 1-3/8"; 4 holes; Comes with a keychain attached to the harmonica; The Hohner Mini Harp with Key Ring is a functioning 4 hole harmonica with 8 genuine brass reeds. The harmonica itself is just 1 3/8" long, yet plays a full octave. Attached key ring keep you Hohner Mini Harp within easy reach. Brand Hohner Accordions Product Details Length 4.000 Width 3.000 Height 1.000 Weight 0.0625 UPC 4009126737162