CKPSMS Brand -1 Set#788127007+788013009 Upper and Lower Knife Compatible with Janome 8002DX 9102D 9200D 9300DX DM234 204D Elna 664 Kenmore 385.166221. Part number : 788127007+788013009 2. Part name: Upper and Lower Knife 3. Quantity: 1 SET INCLUDES: 1PCS Lower Knife Blade: 788013009 1PCS Upper Knife Blade: 788127007 4. Compatibility This high quality Upper and Lower Knife replacement is exactly compatible with many Serger machines,including (many not listed): 1) Elna Serger Models: 664,664 PRO, eXtend 264 2) Janome(New Home) Serger Models: 204DMyLock, 3434D, 7034D, 7933 Harmony, 8002D, 8933D,