Custom Duplications or Designs for Modular Trumpet and Cornet Backbores New Product Other bore sizes available by

Other bore sizes available by special order only

QSY8 bell: 8-inch

Previously

and Heavy

NY Legend 10 Cup Diameter: 16

Custom Duplications or Designs for Modular Trumpet and Cornet Backbores New Product Other bore sizes available byIn our files, we have many specifications for backbores we have made or duplicated. We keep these records so we can make a new mouthpiece in case of loss or damage or if the customer wants another copy with variations. You can also work with us to design your own, if you wish, and we will follow your specifications to the letter. Please Note: Payment in advance is required and no returns or exchanges are allowed on custom mouthpieces. During your