Sewing machine gear that fits models 600, 603, 604, 620, 625, 626, 628, 629, 630 635, 636, 638, 639, 645, 646, 648, 649. 

PLEASE NOTE:  NO REFUNDS ON SEWING MACHINE PARTS. 
If you are unfamiliar with working on sewing machines, we recommend taking your machine to a local dealer.  We are unable to assist with repairing your machine.