Singer Beveled Gear Set 174204AS

Beveled gears are stronger, quieter, mesh better and are less likely to break than non-beveled plastic gears.

The 174204AS gear set replaces the bottom vertical shaft and right horizontal shaft gears. 

Fits Singer sewing machines 620, 625, 626, 628, 629, 630, 630E, 635, 635E, 636, 638, 639, 640 Touch & Sew, 640E, 645, 646, 648, 648E, 649

Watch the video as well for help and instruction on installing them