The Brother SA550 Straight Stitch Needle Plate and Straight Stitch Foot is an original Brother accessory. The main function of the Brother SA550 Straight Stitch Needle Plate and Straight Stitch Foot is to keep thin fabrics from getting caught under your needle plate while you are straight stitching or freemotion quilting. The Brother SA550 Straight Stitch Needle Plate and Straight Stitch Foot enhanced the quality of your straight stitching. The Brother SA550 Straight Stitch Needle Plate and Straight Stitch Foot comes with the plate and the straight stitch presser foot.