This is a  Low Shank Singer Sewing Machine Walking Foot. with 7mm width.

How to use your new Walking Foot:

Sew bulky layers of fabric and batting smoothly and easily. The dual feed foot is designed keep multiple layers sewing evenly.

1. Take standard ankle and presser foot off the machine.

2. Place dual feed foot on the presser bar with the fork of the foot over the needle clamp screw. Screw in place with the accessory thumb screw.

3. Feed teeth up. Presser foot pressure set at normal.

4. Select straight stitch for quilting and topstitching. Many decorative stitches sew well with the dual feed foot including the hand look quilting stitch. Experiment on scraps with specialty stitches and threads before sewing your project.

You will love the work you can do with well-crafted Walking Foot.  This is a Low center walking foot with plastic-coated fork.

Here are a list of machines this foot will fit:

Fits the Singer models: Singer One Plus, Quantum Style Touch, Quantum Stylist, Stylist, 215, S18, L47, 117, 118, 132, 132Q, 143, 152, 161, 162, 163, 167, 140Q, 201, 212, 221 & 222 Featherweight, 247, 257, 287, 317, 327, 337, 347, 353, 354, 357, 358, 360, 362, 367, 368, 377, 378, 413, 416, 418, 427, 433, 437, 438, 447, 449, 457, 466, 467, 476, 478, 498, 502, 507, 509, 513, 514, 518, SN-520, 522, 527, 533, 534, 538, 560, 960, 1100, 1105, 1107, 1116, 1120, 1130, 1507, 1512, 1525, 1725, 1732, 1748, 1812, 2010, 2205, 2210, 2220, 2259, 2263, 2273, 2277, 2623, 2638, 2662, 2732, 2818, 2932, 2950, 30215, 3105, 3116, 3210, 3223, 3232, 3321, 3515, 3709, 3722, 3750, 3800, 3810, 3812, 3815, 3820, 3822, 3825, 3860, 3962, 4166, 4205, 4206, 4210, 4220, 4212, 4228, 4411, 4423, 4432, 4522, 4525, 4526, 4530, 4826, 5160, 5400, 5417, 5430, 5532-CL, 5802, 5805, 5806, 5808, 5810, CS6000i, 6038, 6101, 6102, 6103, 6104, 6105, 6106, 6136, 6160, 6180, 6184, 6199, 6201, 6211, 6212, 6215, 6217, 6416, 6500, 6510, 6550, SEQS-6700, 7102, 7104, 7105, 7108, 7110, 7136, 7146, 7184, 7256, 7258, 7300, 7312, 7322, 7330, 7350, 7360, 7380, 7412, 7422, 7424, 7426, 7430, 7436, 7442, 7444, 7446, 7460, 7462, 7463, 7464, 7465, 7466, 7467, 7468, 7469, 7470, 7502, 8209, 8214, 8222, 8234, 8280, 8602, 8606, 8610, 8614, 8618, 8763, 8768, 8770, 8780, 9100, 9340-CL, 9602, 9606, 9610, 9618, 9803, 9810, 9858, 9900, 9910, 9920, 9940, 9960, 9970, 9985-CL, CE-100, CE-150, CE-200, CE-250, CE-350.