Features: Pronunciation principles 1 edge effect Air holes caused by facets at particular angles, minimize via When the airflow is on the edge of the groove, part of the airflow groove is left Part of the airflow enters the flute, generating vibrations and sounds of a definite frequency 2 Resonance impact When the flute and flute airflow enters a rotating spiral and moves forward, Until you keep on with this task and go away the flute The diameter and size of the air column tube lumen, This creates diversified resonant frequencies and thus pitches Specification Color: black (as shown within the picture) Material: Bamboo Number of holes: 6 Dimensions: Length 18/47 cm; Diameter 0/1 cm inches Suitable for: Beginners and amateurs Quantity: 1 piece Notes: Because bamboo is a pure product and a purely hand-crafted product, The length and bamboo sample of every product may be barely different But it would not impression the use and timbre of the flute, please don’t fear Please enable 1-3cm variations thanks to handbook dimension Due to differences between monitors, photos may not replicate the particular colour of the object