Vintage Singer sewing machine spring darning needle clamp presser combo, Simanco part #86496. This rather uncommon attachment replaces the needle clamp, it will need to be used in conjunction with a darning plate. It will fit the following models only: 15-30, 15-86, 15-87, 15-96, 15-97, 27, 28, 66, 99, 101, 127, 128 & 185. *Will NOT fit the Featherweight 221 / 222K, 201 or 15-90 / 15-91. Very nice vintage condition, clean & rust free. A copy of the instruction sheet will be included. Genuine, original Simanco accessory.