Originally Posted By: eddie1261
These are spline shaft knobs. I think an early stop will be at Home Depot where I will "demo" a micrometer so I can measure the ID of the knob. The thing about this is that picture shows a "center" knob that slides down onto the spline and seats onto a second knob because the back control is for the effects return.

Here's a look. Stereo!





Man if you gotta use a pipe wrench to turn the knobs maybe it's time to put some lubricant on them.... I broke a tuning peg on my very first guitar doing that very thing.... some grease would help.

But yeah...Amazon or Ebay will get you there.

You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.