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Baby Lock Compendium for Coverlock Machines

Baby Lock Compendium for Coverlock Machines

Babylock Overlocker Upper Knife B4401-04A-OY

Babylock Overlocker Upper Knife B4401-04A-OY

Babylock Overlocker Upper Knife B4401-01A

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Product Code
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Babylock upper knife for a range of Babylock overlockers.

Part code B4401-01A

Over time the effectiveness of the upper knives on any overlocker can become compromised, resulting in difficulty cutting fabric or fabric bunching under the foot without giving a clean cut. Give your machine a new lease of life with a new upper knife.

You can check the model number of your machine in one of three ways - the front cover of the manual, a sticker either on the bottom or rear of your machine or on the product packaging. Make sure your model number matches exactly. Compatible with the following Babylock machines:-

  • Baby Lock Imagine(BLE 1AT)
  • BLE 1DX-2
  • BLE 1DX
  • BLE 1LX
  • BLE 1SX-2
  • BLE 1SX
  • Baby Lock Eclipse (BLE 1)
More Information
Brand Baby Lock
Type Overlocker Upper Knife
Part Code B4401-01A

Viewing items on the basket page shows the delivery charge. UK orders will usually be dispatched within 3 working days. For further information please see the delivery section of the website.


We are happy to exchange or refund your purchase within 14 days providing the goods are in a fully resaleable condition. Exclusions apply to selected products such as cut fabrics. For further information, instructions on how to return products and information on Sew Essentials refund policy visit the returns and refunds section of the website.

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