This American style Long Native American Flute Rosewood consists of two parts. the pipe body and the bird or saddle block. You can make a slight pitch adjustment by moving the bird forward (sharpening tone) or backward (flattening pitch). Make sure you do not completely close the opening. The color of the wood varies, a wonderful sounding instrument. Tuned to F. The length of this flute is 600 mm and the diameter of this flute is 30 mm.