Original FENDER potentiometer for your Blues Junior model. This potentiometer is 25K (Linear) and will work for the treble . With it you will not have to make holes to solder it to your amplifier. It is shipped with its original bag.

Original FENDER potentiometer for your Blues Junior model. This potentiometer is 25K (Linear) and will work for the treble . With it you will not have to make holes to solder it to your amplifier. It is shipped with its original bag.