Lower Looper, Janome, New Home, Necchi, Nelco, Pfaff, Riccar #310619

Compatible with Janome(Newhome) Serger Machine Models:
603

Compatible with Necchi Serger Machine Models:
NL3 & NL3R

Compatible with Nelco Serger Machine Models:
NL304

Compatible with Pfaff Serger Machine Models:
603 & 794, 796

Compatible with Riccar Serger Machine Models:
RL330F, RL333, RL343 & RL343DR

Compatible with Supreme Serger Machine Models:
ML303, ML303R & ML93R

Compatible with J.C. Penny Serger Machine Models:
7015A

Alternate: 97-310619-00