Spool holder for most overlockers/sergers  -  Janome, Juki, Pfaff, Bernetter, Bernina, Singer, Elna, Brother, Husqvarna/Viking, Toyota, White, etc. etc.

 Elna Models:  434, 664, 664 Pro, 7100 

Janome:  1000CP, 1000CPX Cover Pro, 1110DX, 1600P, 1600P-DB, 1600P-DBX, 1600P-QC, 204D MyLock, 3434D Juno, 434D, 434DR, 504D, 534, 534D, 634D, 644D, 7034D, 734D, 744D, 7933 Harmony, 9002D, 9102D, Cover Pro 900CP, Cover Pro 900 CPX, HF3434D, HF504D, HF7933, HF9102D, MC6300P 

Pfaff:  4752 Hobbylock, 752 

Alternate Part Numbers: 98-784223-10/500, 784223105,