These are great low D whistles! They are tunable and play well in tune in both octaves. The pitch is very stable at both registers, at various pressures, and you are able to push the range without breaking the octave! Anodized, sealed glossy green finish and black mouthpiece. Overall length: end thru fipple 22 inches. Distances between finger holes - smallest 1-1/2 inch to largest 1-2/3 inch. BIG finger holes (1/2 inch diameter) for easy play! Two octave range, and tunable too! $135.00