Original Singer Thread Guide Fits Models 401, 401A, 403, 403A, 500, 500A, 503, 503A Part # 172144
-Lower thread guide.
-Fits Singer models 401a, 403a, 500a, 503a.
-Part # 172144.
-Part is in very good condition.
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-Lower thread guide.
-Fits Singer models 401a, 403a, 500a, 503a.
-Part # 172144.
-Part is in very good condition.
