This shakuhachi flute have 1.8/1.6/1.4, which is equal to key D/E/F#, the E key flute is more suitable for beginners and most players. Pipe Flute is made of PPR material without painting and insect-proofing process, making it more environmentally friendly and hygienic. Pipe shakuhachi is a temperament instrument with accurate pitch, a wide range of sound, and beautiful tone. Pipe shakuhachi's membrane is made of ordinary adhesive tape, which is more convenient to use.