ULTIMATE PRECISION SEWING: This third generation magnetic seam guide features powerful magnet attachment for ultimate utility. No installation is required, and it has functions such as edge blocking, positioning, anti-curling, and calendering and brightening. Enjoy stable, accurate sewing even on thick fabrics.EASY OPERATION: Easily attach the magnetic sewing guide to the needle plate of your sewing machine. Let your fabric slide easily along the rails for consistent seam width. The rail can be easily removed and repositioned, providing unparalleled convenience.Safe Placement: This sewing accessory is made of high-quality stainless steel and strong magnets to ensure stability and accuracy. Great for edge protection, positioning, anti-curling and more. The magnets hold securely in place, providing a reliable guide for your sewing projects.UNIVERSAL COMPATIBILITY: This magnetic seam guide is compatible with most quilting and sewing machine brands, making it a must-have for professional garment makers and home sewing enthusiasts alike. Achieve perfectly straight or curved seams and reduce errors in your sewing projects.Packaging: Each package includes 1 sewing machine magnetic seam guide, making it a practical and durable sewing machine accessory. Great gift for sewing lovers on special occasions such as Thanksgiving, Mother's Day, Christmas, Easter, New Year's Day, Valentine's Day, Birthdays and more.NOTE: If your sewing machine does not have a metal plate behind the presser foot, you can use an adhesive metal plate to secure the sewing guide.