Item No. Upper looper #1250003-433, Toyota 6300; White

to fit Pfaff Serger Models:
4764

 to fit Toyota Serger Models:
6300, 6600

 to fit White Serger Models:
1700, 1800, 1900, 634D, 7234, 7934DW, 834DW, SL234D, SL234DE, SL3400, SL34, SL34D, WW6000