Vintage Original Singer Steel Gear Set Lower Fits Models 600, 603, 620, 626
-Set of lower steel gears from a Singer model 600.
-These can be used to replace the plastic gears in most 600 series touch-n-sew machines.
-Singer part # 163012, 172208, 170123, 170121.
-Parts are in very good condition.
-Set screws are included.