Wooden whistle iVolga key of D, stabilized wood Stabilized wood version of the russian ethnic fipple flutesvirel. Denser, brighter and more focused round tone as compared with common woods instruments. Medium backpressure, good response. Medium to higher volume. Good for midsize session or jam. Best for solo playing and playing in duos or trios. Two octaves range. The scale is diatonic with two additional holes on the back side to play flat 3rd and flat 7th. May be used as common irish low whistle (you can cover the back holes with scotch tape etc). Wooden tuning slide with buffer plastic ring. Materials: stabilized wood Finish: tung oil (inside and outside) Key: D, tuneable Range: two octaves Scale: diatonic with additional back holes for lowered 3rd and 7th Length: 300 mm Color and texture of wood on picture may differ slightly from actual item