Mouthpieces › Greg Black Helleberg Tuba Mouthpiece Greg Black Helleberg Tuba Mouthpiece $269.00 Cup Diameter: 33.33 mm, 1.312"Bore: 'P', .323" Cup Depth: DeepRim Width: Medium Cup Diameter: 33.33 mm, 1.312"Bore: 'P', .323" Cup Depth: DeepRim Width: Medium Quantity: Purchase Added!
