4 cajas de bobina y carcasas de bloqueo universales de metal para máquinas de coser (plateadas)

You will receive: 4 bobbin cases for sewing machines in the package. You can use them as needed or share them with others. Suitable dimensions: Each bobbin case has a diameter of approximately 21 mm. Function: The bobbin case ensures that the bobbin stops spinning faster, effectively preventing the bobbin thread from coming loose or getting tangled when starting and stopping the sewing machine. Application: This bobbin case is typically used as a replacement part for front-loading bobbin systems in sewing machines and can also be used as a spare part. Material: The bobbin case is made of metal, making it very practical and durable.