This seven piece kit contains a Foot Base, Bias Binder Attachment, Trim Attachment Guide and four Hemmer Attachments. 1/4”, 3/8”, 5/8” and 7/8”. The hemmer attachments automatically curls under a double hem while stitching with either a straight stitch or a decorative hemstitch. The bias binder attachment automatically curls bias strips into binding for attaching on the edge of your project. Trim and Elastic guides help alignment and accuracy while sewing.