This is a self-made C-flute (kena) tuned to a Doremifa scale, made from female bamboo. The pitch is tuned to around A=442Hz. ・Size: Total length 26.9cm, mouthpiece inner diameter 19.3~20mm, wall thickness 3mm, largest finger hole diameter 9.5mm, mouthpiece width 10mm, mouthpiece depth 7mm ・Surface finish: Lightly coated with camellia oil ・Weight: 30g The sound produced when all holes (6 on the front + 1 on the back) are covered is Do, and the sound produced when all holes are open is Do, one octave higher. The finger holes are small, and it is lightweight and short, making it easy for elementary school students to handle. This material has many brown patterns unique to female bamboo (appearing after removing surface deposits). Please enjoy playing while admiring the art created by nature. Instant purchase is welcome.