Vintage Singer low shank sewing machine blind stitch attachment. Comes with original box, thumb screw & instructions. This attachment will fit low shank machines including the 15, 27, 99, 66, 128, 201, 221 & 222K Featherweight, etc. Very nice vintage condition, the attachment is clean & rust free. The original box will show typical signs of age / wear. Genuine, original Simanco accessory #160616