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SKU:RTS-CKB004-BKGD-1PCS
PRODUCT DESCRIPTION
Upgrade your guitar or bass controls with the Guyker CKB004 dual knurled stacked control knobs. Designed for stacked concentric pot setups, this control knob set allows tone and volume control on the same pot with a 6.4mm top knob hole and 8mm bottom knob hole.
Key Features
- Stacked concentric control knob design: Designed for stacked concentric pot setups where tone and volume are controlled from the same pot.
- Dual knurled grip: Both upper and lower knobs feature a knurled outside surface for easier adjustment.
- 6.4mm / 8mm inner holes: Top knob inner diameter is 6.4mm, and bottom knob inner diameter is 8mm.
- CNC machined solid brass: Made from CNC machined gilded solid brass for a premium metal knob feel.
- Set screw design: Both upper and lower units use set screws for compatible installation setups.
- Multiple finish options: Available in Black with Gold, Gold with Blue, and Steel with Black finishes.
- Packaging options: Available in 1PC and 3 PCs options.
- Fitment reminder: Please confirm your pot shaft structure, shaft diameter, knob hole requirements, and installation setup before ordering.
Product Details
| SKU / Model | CKB004 |
| Product Type | Stacked Control Knobs |
| Knob Type | Dual Knurled Stacked Concentric Knob |
| Material | CNC Machined Gilded Solid Brass |
| Top Knob Inner Diameter | 6.4 mm |
| Bottom Knob Inner Diameter | 8 mm |
| Color / Finish Options | Black with Gold, Gold with Blue, Steel with Black |
| Packaging Options | 1PC, 3 PCs |
Compatibility Notes
Important: Please confirm your stacked concentric pot shaft structure, shaft diameter, knob hole requirements, and installation setup before ordering. Knob fitment may vary by potentiometer design and shaft specification.
Package Includes
- 1 x concentrically stacked knob including 1 top knob and 1 bottom knob
Installation Note
Before installation: Professional installation is recommended. Always compare the new stacked control knob with your original knob and pot shaft before tightening the set screws.

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FAQS
Do you class a reverse headstock guitar as a left hand guitar?
How do I determine the right size/fit for a specific accessory?
Can you provide more details about the materials used in your products?
At Guyker, we prioritize the use of high-quality materials to ensure the durability and performance of our products. While the specific materials used may vary depending on the accessory, we commonly utilize materials such as:
■ Metals: We often use materials like stainless steel, aluminum, and brass for hardware, bridges, and other metal components.
■ Plastics: Certain accessories may incorporate durable and impact-resistant plastics such as ABS or polycarbonate for knobs, pickguards, and other components.
■ Woods: Some accessories, like guitar knobs or picks, may be made from various types of wood, including rosewood, ebony, or maple.
For more detailed information about the materials used in a specific product, we recommend reviewing the product descriptions or reaching out to our customer support team at [support@guyker.com] for further clarification.
Do you offer international shipping?
Yes, we offer international shipping to customers worldwide. When placing your order, please ensure that you provide accurate international shipping information, including your complete address and contact details.
Please note that international shipping may be subject to customs duties, taxes, and additional fees imposed by the destination country. These charges are the responsibility of the recipient and may vary depending on the country's customs policies.
What is your process for returning or exchanging a product?
To initiate a return or exchange, please follow these steps:
■ Contact our customer support team at [support@guyker.com] or visit our website's Returns/Exchanges page.
■ Provide your order details and the reason for the return or exchange.
■ Our customer support team will guide you through the process and provide you with a return/exchange authorization if applicable.
■ Follow the instructions provided, including packaging the product securely and attaching the necessary labels or documentation.
■ Ship the product back to us using a traceable and insured shipping method.
■ Once we receive the returned product and verify its condition, we will process the return or exchange accordingly.
Can I return or exchange a product if it's been used?
In most cases, products that have been used or show signs of wear may not be eligible for return or exchange unless there is a defect or error on our part. We recommend reviewing our specific return/exchange policy or contacting our customer support team at [support@guyker.com] to determine the eligibility of your particular product.
Do I need to cover the return shipping costs?
The responsibility for return shipping costs may vary depending on the reason for the return or exchange. In some cases, such as if the product is defective or if we made an error, we will provide a prepaid shipping label or reimburse your return shipping costs. However, if the return or exchange is due to a change of mind or a non-defective product, you may be responsible for the return shipping costs. We recommend reviewing our return/exchange policy or contacting our customer support team at [support@guyker.com] for specific details regarding return shipping costs.

Ready to Ship (US) | CKB004-New Guitar Volume Tone Dual Knurled Control Knobs, Control Knobs High Grade Dome Volume Tone Knob Replacement
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