Professional Flutes, guaranteed by Bolivian Luthiers. With 6 hole fingers

Material: Bamboo
Mouthpiece: Bone
Frequency: 4. 40
Tuning: D and F#

Approximate measures:
D Flute:
Length: 65 cm (21. 47")
Width: 3 cm
F# Flute:
Length: 48 (17,78")
Width: 2 cm

A flute produces sound when a stream of air directed across the top of a hole bounces in and out of the hole. A flute is offered in various material varieties: wood, metal, bone, ivory, crystal, porcelain, plastic, resin, etc. It has only one (to eight) keys.