1. Part number : 330404+310417
 
2. Part name:
#330404 Upper Knife
#310417 Lower Knife 

3.Quantity: 1SET

4.Compatibility 
This high quality Upper and Lower Knife Set replacement is exactly compatible with Many PFAFF Hobbylock Home Serger Sewing Machines, including : 
790, 793, 794, 795, 796, 797, 799 

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 ebay, 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.