Fits Most Older Singer Machines you can see by the pictures if your singer machine bottom looks the same then they will fit.
401 (401A) 403 (403A) 404 447 500 (500A) 503 (503A)
327, 328, 329, 338, 347, 348, 357, 360, 401, 403, 404, 413k, 416k, 418, 457, 466, 476, 477, 478, 500, 503, 533, 534, 538, 543, 600 thru 649 Touch N Sew, 714, 717, 179, 734, 737, 750, 755, 756, 758, 770, 775,
The 600 and 700 series Touch and Sew models
also fits the Singer 221k
We do also sell them in a set of 5 for the Singer 431G and 222K if needed