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Brass venturi mouthpipe tube.

Fits Olds Ambassador, Yamaha, and other trombone models.

APPROXIMATE SPEICFICATIONS:

• overall length: 7.0" (178mm)


• wall thickness: 0.015" (0.38mm)


• outside diameter - mouthpiece end: 0.490" (12.4mm)


• outside diameter - slide pipe end: 0.510" (12.9mm)