This is a Doremifasolasido-tuned kena (panpipe) in C, made of Tonchiku bamboo. It is tuned to approximately A=442Hz. ・Size: Total length 28.1cm, mouthpiece inner diameter 16.5-17.5mm, wall thickness 2.8mm, largest finger hole diameter 9.5mm, mouthpiece width 10mm, mouthpiece depth 7mm ・Surface finish: Lightly coated with camellia oil ・Weight: 38g When all holes (6 on the front + 1 on the back) are covered, the sound is "Do". When all holes are open, the sound is "Do" an octave higher. The finger holes are small, and it is lightweight and short, making it easy for elementary school students to handle. Instant purchase is welcome.