Lever Shaft Knob (Part #541991). Designed specifically for the Singer 20U series, this high-quality knob allows for smooth, effortless adjustments to your stitch settings.

A cracked or missing knob can make fine-tuning your machine difficult and uncomfortable. This durable replacement ensures you have a firm, ergonomic grip for adjusting the zig-zag width and lever positions during complex sewing tasks.

Key Features & Benefits
Ergonomic Design: Shaped for comfort and grip, reducing hand fatigue during long hours of professional sewing.

Precision Fit: Engineered to slide perfectly onto the lever shaft of Singer 20U models, ensuring no "play" or wobbling during use.

Heat & Impact Resistant: Manufactured from high-density materials to withstand the heat and rigors of a busy sewing shop or factory floor.

OEM Standards: Built to meet or exceed the original manufacturer's specifications for a seamless look and feel.

Orders are typically processed within 1–3 business days.

We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.

Free shipping is available on U.S. orders over $99.

Once your order ships, you will receive a tracking number by email.

For urgent orders or shipping questions, please contact us before placing your order.

We stand behind the quality of the products we sell.

• Genuine OEM parts are covered by the manufacturer's warranty where applicable.

• Aftermarket and generic parts are covered against manufacturing defects.

• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.

• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.

If you have any questions, our support team is happy to help before or after your purchase.