A
Anonymous
Apr 14, 2026
Rating: 4/5
Good Value
Nice knobs for the price. Shipping was a bit slow but the product is solid.
Description
20x15mm Plastic Knob Cap for Potentiometer and Encoder Switch, Guitar Amp Volume Control with 6mm Splined Shaft
Reviews
Attributes
| Brand | - |
| Category | Musical Instrument Accessories / Guitar Electronic Accessories |
| Origin | - |
| Material | High-Impact ABS Plastic |
| Outer Diameter | 20 mm |
| Total Height | 15 mm |
| Shaft Type | Hexagonal |
| Shaft Size | 6 mm |
| Color | Matte Black |
| Package Quantity | 2 Pieces |
| Weight | 4 grams per unit |
| Texture | Non-Slip Grip |
| Compatibility | Potentiometers & Encoders |
5 reviews
A
Anonymous
Apr 04, 2026
Rating: 5/5
Perfect Fit
Exactly what I needed for my amp repair. The hex shaft fit snugly without slipping.
A
Anonymous
Apr 01, 2026
Rating: 5/5
Great Upgrade
Looks better than the old metal ones I removed. Very clean aesthetic.
A
Anonymous
Feb 25, 2026
Rating: 5/5
Sturdy
Plastic feels durable enough for regular use on my pedalboard.
A
Anonymous
Feb 02, 2026
Rating: 3/5
Tight Fit
Had to force it on slightly. Make sure your shaft is exactly 6mm.
5 FAQ
Q: Can I use this on effects pedals?
A: Yes, provided your pedal uses a 6mm hex potentiometer shaft.
Q: Is there a pointer line on the knob?
A: No, these are solid black without any indicator lines.
Q: Will this fit a 6.35mm shaft?
A: No, these are designed specifically for 6mm hexagonal shafts only.
Q: Is the plastic heat resistant?
A: It is standard ABS plastic. Please avoid exposure to high heat sources.
Q: Are these sold individually?
A: No, this listing is for a 2-pack of knobs.
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