Original Singer Top Hat Cam Overedge # 22 163369 Fits Models 401, 403, 411, 431, 500, 503, 600 series
-Original Singer top hat cam
-Cam number 22
-Part number 163369
-Overedge
-Fits Singer models 401, 401a, 403, 403a, 411, 431, 500, 500a, 503, 503a, 600 series touch-n-sew