These are high quality replacement parts for the commonly broken potentiometer shafts in vintage EH pedals. These are made of nylon and are exact replacements, fitting all D-shaft knobs used on vintage units. Below you'll find a short video showing how easy it is to replace these shafts on your own with just a small flat screwdriver and a pair of needle-nose pliers.

If you'd rather have me replace the shafts in your vintage EH pedal, contact me for details.