Ø19X19mm red potentiometer knob for FENDER original Rock Pro ("D" type shaft). Used on THE TWIN, SUPER 60 etc. DO NOT replace the knob used on Princeton 112 PLUS.
Features:
- Shaft diameter: 6mm.
- External diameter: 19mm.
- High: 19mm.
- Shaft type: D
- Colour: Red.
- Fender 099-0931-000