I received this flute from someone who was aiming for perfect tuning in 442Hz equal temperament. It's a shinobue (bamboo flute) that produces a beautiful scale like a flute, with a refreshing bamboo sound. The mouthpiece is slightly smaller than a typical shinobue, making it easier for women to play, and it produces clear notes from the first octave's C to the third octave's G. After testing it, I ended up using flutes of a different key, so this one has been in storage. I hope someone can make good use of it. Number of holes: 7 Length: Approximately 40cm Material: Bamboo Maker: Sennari Fue (Kishiwada)