Skip to main content
Home / Board Game Accessories: Card Sleeves & Protectors / 2012mm Plastic Knobs Tube Amp Amplifier Audio Potentiometer Switch Caps Guitar Volume Adjustment Round Knobs

Attributes

Brand -
Category Models, Anime, Merchandise, Dolls & Board Games / Board Game Accessories: Card Sleeves & Protectors
Origin -
Material High-quality durable plastic
Diameter 20mm (approx. 0.79 inches)
Height 12mm (approx. 0.47 inches)
Shaft Fit Standard 6mm potentiometer shafts
Color Classic Black with white indicator line
Shape Round dome design
Compatibility Guitar amps, audio mixers, and effect pedals
Package Quantity Set of 4 knobs
Installation Push-on fit, no tools required
Finish Matte texture for improved grip

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 4/5

Good quality, slight color difference

The build quality is excellent and they sit tight on the pots. The black is slightly more matte than my original knobs, but it still looks great.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Solid construction

Very happy with these. They don't slip off easily and the plastic feels thick enough to last years. Highly recommend for any guitarist.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Exactly what I needed

I needed standard 20mm knobs for a DIY pedal project. These worked flawlessly. The indicator line is clear and easy to see on stage.

A

Anonymous

Mar 24, 2026

Rating: 5/5

Simple and effective

Bought these to replace some cracked knobs on my practice amp. They look professional and were incredibly easy to install. Just push them on!

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect replacement for my old amp

These knobs fit perfectly on my vintage tube amplifier. The size is exactly as described and they feel very sturdy. Great value for the price.

A

Anonymous

Mar 08, 2026

Rating: 4/5

Great fit for standard pots

Fit my Fender amp pots without any issues. The 12mm height gives a nice profile. Took off one star only because shipping took a bit long.

5 FAQ

Q: Can these handle high heat from tube amps?

A: Yes, the plastic material used is heat-resistant and safe for normal operating temperatures of tube amplifiers and audio gear.

Q: Do these come with set screws?

A: No, these are push-on style knobs and do not require set screws. They rely on friction to stay in place on the pot shaft.

Q: Are these sold individually or in a pack?

A: This listing is for a set of 4 knobs. If you need more, you can purchase multiple sets.

Q: Will these fit a 1/4 inch shaft potentiometer?

A: These knobs are designed for standard 6mm (approx. 1/4 inch) shafts commonly found on guitar amplifiers and audio equipment. They should fit securely.

Q: What is the exact diameter measurement?

A: The diameter is 20mm, which is a standard size for most guitar volume and tone controls.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
UE5 Neon Shop Signs - 3D Model Assets and Props for Unreal Engine 5

UE5 Neon Shop Signs - 3D Model Assets and Props for Unreal Engine 5

$0.50

Surface-Mounted Semi-Circular Stainless Steel Floor Cable Raceway with Anti-Crush Design

Surface-Mounted Semi-Circular Stainless Steel Floor Cable Raceway with Anti-Crush Design

$2.50

Denture Storage Box Soaking Denture Elderly Cleaning Box with Filter Tooth Storage Box Retainer Denture Case Portable

Denture Storage Box Soaking Denture Elderly Cleaning Box with Filter Tooth Storage Box Retainer Denture Case Portable

$7.64

Tire Hot Patch Vulcanizer 12R22.5, Tubeless Tire Aluminum Mold Plug-in Top Pressure Plate, Tire Repair Tool Aluminum Mold Press Plate

Tire Hot Patch Vulcanizer 12R22.5, Tubeless Tire Aluminum Mold Plug-in Top Pressure Plate, Tire Repair Tool Aluminum Mold Press Plate

$430.00

DEUTER Germany Outdoor Travel Waterproof Dry Bag - Lightweight Storage Sack for Beach, Swimming, and Camping

DEUTER Germany Outdoor Travel Waterproof Dry Bag - Lightweight Storage Sack for Beach, Swimming, and Camping

$59.50

Expanded Clay Pebbles for Plant Pot Drainage - Specialty Ceramic Granules for Succulents, Hydroponics, Aquariums, and Bathroom Backfill

Expanded Clay Pebbles for Plant Pot Drainage - Specialty Ceramic Granules for Succulents, Hydroponics, Aquariums, and Bathroom Backfill

$7.70

Lint-Free Industrial Wiping Paper for Camera and Automotive Paint, Oil-Removing Cloth for Spray Painting, Film Application, Anti-Fog Wax, and Static Rust Prevention

Lint-Free Industrial Wiping Paper for Camera and Automotive Paint, Oil-Removing Cloth for Spray Painting, Film Application, Anti-Fog Wax, and Static Rust Prevention

$126.50

Heavy-Duty Electric Bike Hook - Versatile Hanging Solution for Strollers, Shopping Bags, Kids' Carts, and Food Delivery

Heavy-Duty Electric Bike Hook - Versatile Hanging Solution for Strollers, Shopping Bags, Kids' Carts, and Food Delivery

$1.90

PPSOAP Silicone Handmade Soap Mold Candle Plaster Aroma Diffuser Stone DIY Materials and Tools FL093

PPSOAP Silicone Handmade Soap Mold Candle Plaster Aroma Diffuser Stone DIY Materials and Tools FL093

$63.70

Guangda Dental | Swedish Imported Dental Implants – Includes Abutment & Crown, Insurance Accepted, Installment Plans Available

Guangda Dental | Swedish Imported Dental Implants – Includes Abutment & Crown, Insurance Accepted, Installment Plans Available

$5,500.00

[Full Payment Pre-Order] Summer Fantasy Original Heavy-Duty Doll-Style Antique Cream Amber Lolita Dress

[Full Payment Pre-Order] Summer Fantasy Original Heavy-Duty Doll-Style Antique Cream Amber Lolita Dress

$38.00

Paint Brush Cleaning Cup for Kids' Art Supplies - Plastic Water Container for Washing Brushes and Graffiti Tools

Paint Brush Cleaning Cup for Kids' Art Supplies - Plastic Water Container for Washing Brushes and Graffiti Tools

$2.88

[10% Off on 2 Items] Creative National Trend Thickened Felt Calligraphy Mat, Desk Pad for Brush Practice, Colorful Fresh Design for Beginners

[10% Off on 2 Items] Creative National Trend Thickened Felt Calligraphy Mat, Desk Pad for Brush Practice, Colorful Fresh Design for Beginners

$6.63

Premium 3D Printing Pen with PLA Filament - Professional Grade for Students, Competitions, Training, and 3D Air Drawing Crafts - Ideal Kids' Gift

Premium 3D Printing Pen with PLA Filament - Professional Grade for Students, Competitions, Training, and 3D Air Drawing Crafts - Ideal Kids' Gift

$108.00

Retainer Storage Box - Portable Sealed Case for Braces, Dentures, Cleaning, and Soaking - Suitable for Children

Retainer Storage Box - Portable Sealed Case for Braces, Dentures, Cleaning, and Soaking - Suitable for Children

$42.40

6-Cavity Round Maple Leaf & Butterfly Totem Large Silicone Mold for Handmade Soap – DIY Milk Soap, Essential Oil Soap Making Mold

6-Cavity Round Maple Leaf & Butterfly Totem Large Silicone Mold for Handmade Soap – DIY Milk Soap, Essential Oil Soap Making Mold

$5.80

Acrylic Paint Brushes - Boar Bristle and Horsehair Brushes for Art Painting - Professional Gouache Brushes for Beginners

Acrylic Paint Brushes - Boar Bristle and Horsehair Brushes for Art Painting - Professional Gouache Brushes for Beginners

$1.00

UV Flatbed Printer for Crafts, Home, and Commercial Use - Small Inkjet Printer for Phone Cases and Industrial Applications

UV Flatbed Printer for Crafts, Home, and Commercial Use - Small Inkjet Printer for Phone Cases and Industrial Applications

$6,720.00

POP MART CRYBABY Vacation Mode On Series Plush Keychain

POP MART CRYBABY Vacation Mode On Series Plush Keychain

$107.80

Flameless Aromatherapy Bottle Empty Bottle Hotel Homestay Bathroom Rattan Dried Flower Volatile Perfume Toilet Water Dispensing Glass Bottle

Flameless Aromatherapy Bottle Empty Bottle Hotel Homestay Bathroom Rattan Dried Flower Volatile Perfume Toilet Water Dispensing Glass Bottle

$8.50

Invisalign Orthodontic Clear Aligner Case - Portable Storage and Cleaning Box for Retainers and Dentures

Invisalign Orthodontic Clear Aligner Case - Portable Storage and Cleaning Box for Retainers and Dentures

$6.72

Over-Toilet Storage Rack with Wall-Mounted Tissue and Wet Wipe Holder - No-Drill Organizer for Bathroom Vanity

Over-Toilet Storage Rack with Wall-Mounted Tissue and Wet Wipe Holder - No-Drill Organizer for Bathroom Vanity

$24.77

Antique-Style Ceramic Brush Washer, Large Glazed Water Pot for Calligraphy and Painting, Complete Set with Brush Holder

Antique-Style Ceramic Brush Washer, Large Glazed Water Pot for Calligraphy and Painting, Complete Set with Brush Holder

$21.20

Black Rutilated Quartz and Crackle Quartz Loose Beads for DIY Crystal Jewelry

Black Rutilated Quartz and Crackle Quartz Loose Beads for DIY Crystal Jewelry

$0.58

Data Cable Organizer, Charging Cable Manager, Desktop/Wall Circuit Wire Clips, Self-Adhesive Sorting and Fixing Holder

Data Cable Organizer, Charging Cable Manager, Desktop/Wall Circuit Wire Clips, Self-Adhesive Sorting and Fixing Holder

$3.80

Beijing Dental Implants - Implant with Abutment at Bulk Procurement Price (Korea Dentium & USA Brands) by Hezhong Dental

Beijing Dental Implants - Implant with Abutment at Bulk Procurement Price (Korea Dentium & USA Brands) by Hezhong Dental

$100.00

Universal Bamboo Joint Fume Extraction Arm Welding Smoke Exhaust Pipe Industrial Waste Gas Collection Hood Support-Free Suction Arm

Universal Bamboo Joint Fume Extraction Arm Welding Smoke Exhaust Pipe Industrial Waste Gas Collection Hood Support-Free Suction Arm

$33.30

Fengzhu Wet-Dry Separation Waterproof Bag Shoulder Crossbody Pack for Outdoor Fitness Swimming Camping Electronics Storage

Fengzhu Wet-Dry Separation Waterproof Bag Shoulder Crossbody Pack for Outdoor Fitness Swimming Camping Electronics Storage

$109.00

Palette for Traditional Chinese Painting, Oil, Acrylic - Art Student and Kids Painting Watercolor Pigment Tray

Palette for Traditional Chinese Painting, Oil, Acrylic - Art Student and Kids Painting Watercolor Pigment Tray

$5.78

Huirui Polypropylene (PP) Super Glue - Fast-Setting Adhesive for Metal, Plastic, TPE, Silicone, Soft PVC, and TPU

Huirui Polypropylene (PP) Super Glue - Fast-Setting Adhesive for Metal, Plastic, TPE, Silicone, Soft PVC, and TPU

$16.80