Josef Klier mouthpiece with precise sizing
The Josef Klier JK 207/3 ER is a mouthpiece for brass instruments where exact dimensions are the key point. Its outer diameter is 28.3 mm, inner diameter 16.8 mm and bore 3.6 mm, so you can choose it specifically based on the size that matches your instrument and playing preference.
The deep cup is an important part of this model. If you are looking for a Josef Klier mouthpiece with this specific combination of diameter, bore and cup depth, the JK 207/3 ER fits a very focused set of requirements.
JK 207/3 ER for players who choose by detail
With a mouthpiece, small differences in sizing matter in practice. That makes this Josef Klier model especially suitable for brass players who deliberately select by outer diameter, inner diameter, bore and deep cup shape.
If you want to compare the right mouthpiece carefully with your current setup, personal advice in our music store in Roosendaal can be a practical addition to such a precise choice.
