Attributes

Brand	-
Category	Musical Instrument Accessories / Guitar Electronic Accessories
Origin	-
Brand Compatibility	Agilent / Keysight
Material	High-Grade ABS Plastic
Color	Black
Shaft Diameter	6.35mm (1/4 Inch)
Package Count	10 Pieces
Mounting Type	Push-On Fit
Surface Texture	Non-Slip Matte
Item Weight	45 Grams
Series Compatibility	E3630 Series Power Supplies
Condition	New Aftermarket

5 reviews

Anonymous

Apr 19, 2026

Rating: 5/5

Good Quality Replacement

I was worried about aftermarket parts but these look almost identical to the originals. Great value for the price.

Anonymous

Mar 19, 2026

Rating: 5/5

Great Value Pack

Getting ten pieces is great for spares. I keep a few in my toolkit for future maintenance needs.

Anonymous

Mar 08, 2026

Rating: 5/5

Exact Match

Restored the look of my instrument front panel. The matte finish matches the existing hardware nicely.

Anonymous

Feb 11, 2026

Rating: 5/5

Perfect Fit for Bench Supply

These knobs replaced the lost ones on my Agilent E3631A perfectly. The fit is snug and the plastic feels durable enough for daily use.

Anonymous

Feb 04, 2026

Rating: 4/5

Slightly Tight Fit

They work well but required a bit more force to push on than expected. Once on, they stay secure.

5 FAQ

Q: Will these fit the Agilent E3631A model specifically?

A: Yes, these knobs are designed to be compatible with the Agilent E3631A and similar series power supplies.

Q: What is the inner shaft size?

A: The knobs are designed for a standard 6.35mm (1/4 inch) potentiometer shaft.

Q: Are these original Agilent parts?

A: No, these are aftermarket compatible accessories designed to match the original specifications.

Q: How many knobs are included in one order?

A: Each package contains exactly 10 pieces of potentiometer caps.

Q: Is the plastic heat resistant for warm equipment?

A: The ABS plastic is suitable for standard instrument operating temperatures but should not be exposed to extreme heat sources.

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