For your consideration, here is a Lot of 14 Singer Sewing Machine Black Top Hat Discs or Cams. They have some wear on them. They will be mailed in a box.  Items pictured are the actual items up for sale, and come from a non-smoking household. (119.959b-.13hc)

Here are the numbers of the discs:

1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 14, 18 and 21