The Seam Guide Foot for IDT™ system guides your stitching perfectly when joining fabrics. The presser foot is designed to help you keep the seam allowance at the same distance from the edge throughout the project. The presser foot has a metal guide at 5/8 inch distance from the center needle position, which is the most used seam allowance when sewing clothes. It has four more markings for various seam allowances. Works with B,C,D,E,F,G,J,K,L