Feature: one hundred pc new model and tremendous The blow hole attributable to a selected attitude facet edges, chopping through the air flow when the flute edges,leaving a portion of the airflow flute,a part of theairflow into the flute, leading to a certain frequency of vibration and sound When the flute, flute airflow into the spin spiral means forward,until you leave the flute up to now on this job according to The air column tube lumen diameter and length,resulting in several resonance frequencies, leading to pitch Deacription: Material:Wood Color:As picture proven Size:24*1/9*0 Package includes: 1 X Flute Note: 1 Due to the different monitor and lightweight effect, the actual shade of the thing is probably barely diverse from the colour which is showed at the images 2 Please forgive 1 cm/0"-3 cm/1" measuring deviation due to guide size