A
Anonymous
Mar 13, 2026
Rating: 5/5
Exactly what I needed
My old knob cracked and this replaced it perfectly. Easy to install.
Description
Inverter Argon Arc Welder Potentiometer Knob Cap, Current Adjuster Cover, Universal Knob Cap for MIG Welders
Reviews
Attributes
| Brand | - |
| Category | Musical Instrument Accessories / Guitar Electronic Accessories |
| Origin | - |
| Material | High-Impact Plastic |
| Compatibility | Universal TIG/MIG Inverters |
| Color | Black |
| Outer Diameter | 18mm |
| Shaft Type | D-Shaft Split |
| Resistance Range | 0-10k Ohm |
| Weight | 15g |
| Package Includes | 1 x Knob, 1 x Set Screw |
| Application | Current Adjustment |
| Temperature Resistance | Up to 80°C |
5 reviews
A
Anonymous
Mar 07, 2026
Rating: 5/5
Great replacement part
Fit my MIG machine without any modification. Very satisfied.
A
Anonymous
Mar 03, 2026
Rating: 4/5
Good fit
Works well, slightly different texture than original but functional.
A
Anonymous
Feb 25, 2026
Rating: 5/5
Durable
Holds up well under daily use in the garage. Recommended.
A
Anonymous
Feb 02, 2026
Rating: 5/5
Saved me money
Much cheaper than buying a new panel. Works just like the old one.
5 FAQ
Q: Will this fit a 6mm shaft?
A: Yes, it is designed for standard 6mm D-shafts commonly found on inverters.
Q: Does it work for voltage adjustment too?
A: It is primarily for current, but fits standard potentiometers used for voltage.
Q: Is the set screw metal?
A: Yes, the included grub screw is made of metal for secure fitting.
Q: Is it resistant to welding sparks?
A: It is plastic, so please avoid direct spark contact to prevent melting.
Q: What is the return policy?
A: Standard 30-day return policy applies if the part does not fit.
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