HELLEBERG
Cup Diameter: 33.33 mm, 1.312" Bore: 'P', .323" 
Cup Depth: Deep Rim Width: Medium

Please Note:
HELLEBERG Tuba mouthpieces are available in Regular weight.
Tuba Mouthpieces are available and can be selected with Standard (American) and European shanks.
Please contact us if a different shank is desired.