PORTA-ANCORA IZQUIERDA 1110DX, 504D MyLock, 634D MyLock (Serger), 644D, M644D (PL) COMPATIBLE CON.: ALFA MOD.: 8704 Janome MOD.: 664, 664 Pro, 1110DX, 504D MyLock, 634D MyLock (Serger), 644D, M644D (PL) ELNA MOD.: 664, 664 Pro Kenmore MOD.: 385.16655100 *********************************************************** Lower Looper Drive Arm, Janome #785024107 Details Guaranteed to fit Elna Sewing Machine Models: 664, 664 Pro Guaranteed to fit Janome Sewing Machine Models: 1110DX, 504D MyLock, 634D MyLock (Serger), 644D, M644D (PL) Guaranteed to fit Kenmore Sewing Machine Models: 385.16655100