Bulgarian handmade kaval PVC kaval D tuned flute Traditional music instrument

Description

Made from PVC. Aluminum rings.
Length: 64 cm
Inner diameter: 16 mm
Wall thickness: 2 mm
Scale: bulgarian. D-tuned
D - all fingerholes are closed
E  - 1 fingerhole bottom
F  - 2...
F#- 3
G - 4
G#-5
A  -6
Bb-7
B  -8 (back)