JK

Mouthpieces from JK (Josef Klier) have become famous for their copies of Vincent Bach mouthpieces.
Nowadays they have an endless number of different models in all shapes and sizes. And they are very consistent too!
The number labeling remained the same as Vincent Bach mouthpieces so thats easy comparison.

Kölner Form: for German rotary-trumpets
USA-models: the famous standard series
JK Exclusive: mouthpieces with a different weight and a very high level of finishing

We have most common sizes in stock.