1. Part number: 550568+550424

2. Part name:

#550568 Upper Looper

#550424 Lower Looper

3. Quantity: 1SET

4. Compatibility 

This high quality Upper &Lower Looper replacement is exactly Compatible with/Replacement for SINGER Brand 14U555 Serger Sewing Machine.

5. Technical supports

1) In case you are not sure if these parts are compatible with your machine, please feel free to send us a message via Amazon, our technicians will provide you with professional and accurate advice in 24/7.

2) Do not hesitate to contact us  if you run into any issue using the received parts.

3) Please provide us with your machine brand and complete model for technical supports.