Original Singer Top Hat Cam # 4 Solid Scallop 172190 Fits Models 401, 403, 411, 431, 500, 503, 600 series
-Original Singer top hat cam
-Cam number 4
-Part number 172190
-Stitch pattern Solid Scallop
-Fits Singer models 401, 401a, 403, 403a, 411, 431, 500, 500a, 503, 503a, 600 series touch-n-sew
