Baby Lock, Simplicity Serger Upper Knife fits models, BL4-436D, BL4-728D, BL4-736D, BL4-428D, BL5360ED, BL4-838D, BL5380ED, BL5280ED, BL4-738D, Simplicity SL880D428-9101-01BCheck out my other items!Be sure to add me to your favorites list!,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk.rp*73c7e%3D%3E-13d7cc3a6c6-0xf6-->
