Wvzong MF-A03 Guitar Control Knobs, 10-Piece Set for 6mm Shafts

Wvzong MF-A03 control knobs are a 10-piece set intended for 6mm control shafts on guitars, pedals and other listed audio equipment. The listing describes a friction-fit installation, but gives two different top diameters, so check the dimensions before choosing them for a close-fitting panel.

At a glance

Listed for 6mm control shafts, with a friction-grip fit described in the listing.
Ten knobs are claimed, with a black and silver two-tone finish described in the product copy.
The listing names guitars, bass amplifiers, effect pedals, mixers, synthesizers and DIY audio projects as applications.

Price

£6.79Save 20%

Reference price: ~~£8.49~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

A 10-knob set can cover several controls or provide spares for later replacements.
The stated 6mm shaft fit and push-fit installation may suit compatible controls without a separate installation tool.
The listed applications extend beyond guitars to pedals and audio equipment.

Technical specifications

11 specifications

Identity
Brand	Wvzong
Model	MF-A03

Fit and dimensions
Shaft hole diameter	6mm (0.23")
Top diameter, features section	23mm top diameter
Top diameter, description	27mm top diameter
Height	15mm (0.59")

Construction and installation
Core and casing	Durable bakelite (thermoset plastic) core with metal alloy casing
Installation	Tool-free push-fit design with reinforced gripping ribs
Surface texture	Anti-slip crosshatch pattern

Compatibility and quantity
Compatible devices	Electric guitars, bass amps, audio mixers, synthesizers, electronic DIY projects
Colour	Black

What to know before buying

Listing details to confirm

The listing is inconsistent about the top diameter: its features state 23mm, while the description states 27mm. It also describes the set colour as Black in the details but as a black/silver combination in the product copy, and compatibility beyond 6mm shafts is not confirmed. Confirm the selected listing’s dimensions and finish before buying.

What’s in the box

Included

Rotary knobs

Who is it for?

A good fit for

Guitar or pedal owners replacing several knobs on confirmed 6mm control shafts.
DIY audio builders needing a multi-knob set for listed compatible equipment.

Less suited to

Buyers whose shafts are not 6mm or whose installation depends on a confirmed D-shaped or other specific shaft profile.
Buyers who need a precisely confirmed knob diameter or finish before ordering.

Wvzong MF-A03 Guitar Control Knobs, 10-Piece Set for 6mm Shafts · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 2 ratings

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Only aggregate rating information is provided, with a very small sample and no customer-comment summary. It is too limited to identify reliable strengths or concerns. Buyers should base fit decisions on the stated 6mm shaft size and confirm the conflicting diameter and finish details.

Frequently asked questions

What shaft size are these knobs listed for?

The listing states a 6mm shaft hole diameter. It does not confirm compatibility with other shaft sizes or profiles.

How many knobs are included?

The product copy claims a set of 10. The details list Rotary Knobs as the included component.

What is the top diameter?

The listing gives conflicting figures: 23mm in the features and 27mm in the description. Confirm the measurement with the selected listing if space is limited.

What devices are listed as compatible?

The details name electric guitars, bass amps, audio mixers, synthesizers and electronic DIY projects. The product copy also mentions effect pedals.