This is an F flute made of "Tōchiku" bamboo. It is tuned to approximately A=442Hz. ・Size: Total length 41.6cm, embouchure inner diameter 20.5mm, wall thickness 3.2mm, largest finger hole diameter 11mm, embouchure width 10.5mm, embouchure depth 7.5mm ・Surface finish: Lightly coated with camellia oil ・Weight: 73g Having an F flute in addition to a G flute will expand your repertoire and double the fun. I enjoy playing along with karaoke tracks, such as "Winter Sonata" and "Airport (Teresa Teng)," using the F flute. There is a slight warp in the material (see image 6), but the finger hole arrangement takes advantage of it. There is a small splinter mark from processing on the second hole from the end (smoothly finished, see image 7), but it does not affect playing at all. Instant purchase is welcome.