A
Anonymous
Apr 12, 2026
Rating: 5/5
Perfect Fit
Looks great on my Fender amp. The aluminum feels much more premium than the stock plastic knobs.
Description
Solid Aluminum Alloy Potentiometer Knob Cap Diameter 20/25mm for Tube Amp Volume, Inner Hole 6mm/6.4mm
Reviews
Attributes
| Brand | - |
| Category | Musical Instrument Accessories / Guitar Electronic Accessories |
| Origin | - |
| Material | Pure Aluminum |
| Diameter Options | 20 mm, 25 mm |
| Shaft Hole Size | 6 mm, 6.4 mm |
| Knob Height | 15 mm |
| Weight | 5 grams |
| Finish Type | Anodized |
| Available Colors | Silver, Black, Gold |
| Mounting Method | Set Screw |
| Compatibility | Guitar Amplifiers, Effects Pedals |
| Package Quantity | 1 Piece |
5 reviews
A
Anonymous
Apr 11, 2026
Rating: 5/5
Premium Feel
Solid aluminum, not plastic. Adds a nice weight to the potentiometer adjustment.
A
Anonymous
Mar 05, 2026
Rating: 4/5
Good Quality
Slightly tight on the shaft but durable. Needed a little force to get it on securely.
A
Anonymous
Feb 25, 2026
Rating: 5/5
Excellent Upgrade
Much better than the stock plastic knobs. The set screw holds firmly in place.
A
Anonymous
Feb 20, 2026
Rating: 3/5
Size Check
Make sure to measure your shaft. I ordered the 6mm but needed the 6.4mm for my older amp.
5 FAQ
Q: Is the set screw included in the package?
A: Yes, the set screw is included and pre-installed in the knob.
Q: Will the 6.4mm hole fit a 1/4 inch shaft?
A: Yes, 6.4 mm is approximately equal to 1/4 inch and will fit standard US shafts.
Q: Is this made of solid metal or plated plastic?
A: This is made of pure solid aluminum construction, not plated plastic.
Q: Does this fit standard CTS potentiometers?
A: Yes, this knob fits standard CTS pots with the corresponding shaft size selection.
Q: What is the exact height of the 20mm knob?
A: The total height for the 20mm diameter knob is approximately 15 mm.
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