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SKU:RTS-NKB-005-GD-1PC
PRODUCT DESCRIPTION
Upgrade your guitar controls with a metal bell-style knob designed for 6 mm solid-shaft potentiometers. The Guyker NKB-005 control knob is a clean replacement choice for guitar repair, hardware upgrades, and custom build projects where a secure set-screw fit and clear measurement details matter.
Key Features
- Bell-style control knob: Classic bell knob shape with a textured outer grip for easy volume or tone adjustment.
- Designed for solid shaft pots: Made for 6 mm solid-shaft potentiometer stems; not intended for split-shaft pots unless measurements are confirmed.
- Set-screw mounting: Uses a side set screw design to help secure the knob onto the potentiometer shaft.
- Finish options: Available in Gold, Bronze, and Chrome depending on the selected variant.
- Fitment reminder: Please confirm your potentiometer shaft diameter and shaft type before ordering.
Technical Specifications
| SKU / Model | NKB-005 |
| Product Type | Bell Guitar Control Knob |
| Knob Type | Bell Knob |
| Shaft Fit | Solid Shaft |
| Shaft Diameter | 6 mm |
| Set Screw | Yes, 4.2 mm measurement shown |
| Outer Diameter | 26.62 mm |
| Height | 13.36 mm |
| Material | Metal; exact alloy not provided |
| Finish Options | Gold, Bronze, Chrome |
| Package Options | 1 PCS, 3 PCS |
| Suitable For | Guitars or basses using compatible 6 mm solid-shaft potentiometers |
Compatibility Notes
Important: Please confirm whether your potentiometer shaft is metric or imperial, split shaft or solid shaft, before ordering. This knob is listed with a 6 mm inner diameter and solid shaft fitment, so it may not fit every potentiometer type without confirmation.
Package Includes
- Package quantity varies depending on the selected option.
- 1 PCS option: 1 x NKB-005 bell guitar control knob
- 3 PCS option: 3 x NKB-005 bell guitar control knobs
Installation Note
Before installation: Compare the inner diameter, knob height, outer diameter, and set-screw position with your original knob and potentiometer shaft. Minor adjustment may be required depending on the instrument and hardware.
Size Reference
Important: Please refer to the size chart below and compare all dimensions with your original part before ordering.

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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) | Guyker NKB-005 Potentiometer Knob Set Gold Bronze Chrome Diameter 6MM
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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