This 1/4" foot is a teachers favorite, the guide blade makes you achieve that perfect 1/4". Buy rubbing the material against the guide you will always have a straight line. This foot fits all machines with a snap on type shank. Popular with quilters, this foot is used for piecing quilt blocks, sewing narrow 1/4-inch seams and topstitching. Also known as a "Quilting" foot.

Fits any machine that uses a  low snap-on shank.
 

For sewing hard-to-feed fabric, also excellant for plaids, stripes, top stitching and quilting.
Fits Singer series 2502C, 2517, 3270, 3343, 4830, 5000, 5400, 5430, 5700, 5705, 5710, 57817, 57820, 57825,5800, 5802,5805, 5806, 5810, 5812, 5814, 5816, 5817, 5818, 5820, 5825, 5828,5830, 5838, 8770, HD10, HD110, 5700, CG500, CG550, CG590

For vertical low presser foot.  Heavy-duty metal ankle with transparent foot for darning, quilting, embroidery, monograming etc. Allowes the operator to move the work freely while stabilizing the fabric. Works by mounting in place of the regular pressure foot with a fork wrapped around the needle clamp screw for a spring movement.