Key of D wooden whistle VDC-01 stabilized wood Tuneable wooden whistle in the key of D with brass fittings and warm round tone. Brass tuning slide lets you play in tune with others in any conditions. Low to medium backpressure and air requirement. May need a bit of a push on the high notes of the 2nd octave. Medium volume, good for quiet session or a small band. Note that the whistle plays in D when the slide is open for 2-4 mm. Materials: stabilized wood (maple,beech birchwood)/brass Finish: tung oil (inside and outside) Key: D, tuneable Range: two octaves Scale: diatonic Length: 300 mm Color and texture of wood on picture may differ slightly from actual item