ORIGINAL SINGER Sewing machine Buttonholer Foot
SIMANCO #86616
ORIGINAL SINGER PART
Has 2 grooves underneath the foot
UNUSUAL FOOT
This certainly fits the Singer 221k 222k Featherweight models
But will also fit on many of the other models of the singer sewing machines IE:-
66, 99, 185k, 201k
plus other models of machines ETC as long as yours has the low lift shank fitting feet