A
Anonymous
Apr 10, 2026
Rating: 5/5
Perfect replacement
Matched the original knobs on my guitar perfectly. Highly recommend.
Description
Duckbill slot knob for guitar amplifier effects pedals, designed for volume adjustment and indicator potentiometer switch caps.
Reviews
Attributes
| Brand | - |
| Category | Musical Instrument Accessories / Guitar Electronic Accessories |
| Origin | - |
| Material | High-Impact Plastic |
| Color | Black |
| Shaft Size | 6.35mm (1/4 inch) |
| Outer Diameter | 18mm |
| Height | 15mm |
| Indicator Type | Slotted Duckbill |
| Mounting Style | Push-On Fit |
| Package Quantity | 1 Piece |
| Weight | 4.5 grams |
| Finish | Matte Texture |
5 reviews
A
Anonymous
Apr 03, 2026
Rating: 4/5
Good quality
Nice plastic, feels durable. Slightly tight on my pedal but works.
A
Anonymous
Feb 21, 2026
Rating: 4/5
Nice upgrade
Better than the stock caps. Good grip and clear indicator line.
A
Anonymous
Jan 29, 2026
Rating: 5/5
Exactly what I needed
Replaced the broken knob on my amp. Fits snugly and looks great.
A
Anonymous
Jan 19, 2026
Rating: 5/5
Classic style
Love the duckbill indicator. Makes adjusting tone much easier.
5 FAQ
Q: Can I use this on a bass guitar?
A: Yes, as long as the potentiometer shaft diameter is 6.35mm.
Q: Is this sold in a pack of four?
A: No, the price listed is for a single knob.
Q: Is the white indicator line painted or molded?
A: The indicator slot is molded into the plastic for durability.
Q: Will this fit metric potentiometers?
A: This is designed for standard 6.35mm imperial shafts. It may be loose on metric pots.
Q: Does it come with a set screw?
A: No, this is a push-on style knob without a set screw.
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