Scarce Singer sewing machine blind stitch braider foot #121614. This is the 3/32" braider which is the rarest of the 4 sizes Singer manufactured. This low shank attachment is compatible with the 15, 66, 99, 127, 128, 185, 192, 201, 221 and 222K Featherweight, 306, 319, 328, etc. Very nice vintage condition, clean and rust free. Original, genuine Simanco attachment, this is a hard to find piece!