Key Material: Copper,

Key System: Curved Closed Cell E Key Surface

Treatment: Nickel-plated Cupronickel,

Number of Sound Holes: 16,

Body Material: Cupronickel.

This instrument is designed for maximum sound quality with its copper material and nickel-plated cupronickel key system, as well as the 16 sound holes for a balanced tone. Enjoy professional-level playing with a crisp, clear sound.flute