Relative: Bach 1G
Cup diameter: 1.123 or 28.524 mm
This is our largest model. The internal dimensions of this mouthpiece are so large that it is only offered on the heavy blank.

- bore size (standard): 8.03mm
- bore size (symphonic): 8.2mm
- Outer diameter: 40.5mm
- Cup Depth:38.9mm
- Large shank
Relative: Bach 1G
Cup diameter: 1.123 or 28.524 mm
This is our largest model. The internal dimensions of this mouthpiece are so large that it is only offered on the heavy blank.

- bore size (standard): 8.03mm
- bore size (symphonic): 8.2mm
- Outer diameter: 40.5mm
- Cup Depth:38.9mm
- Large shank