You get 5 Different Sizes rolled hem foot, 4mm/5mm/ 6mm/7mm/8mm, different sizes to meet your needs, easy to replace. [Sewing Machine Presser Feet]No pre-folding or ironing required, The foot neatly turns under the raw edge while sewing, resulting in a clean and professional hem on both sides of the fabric. The sewing rolled hemmer feet are made of high-quality metal, which is and not easy to break, can be widely used in most industrial sewing machines, flat sewing machines. You only need to loosen the needle plate screw on your sewing machine and attach the hemming foot for quick and convenient use. [Precise Seam Control]Position the magnet on your sewing machine's throat plate for consistent seam widths every time. Unlike traditional magnetic seam guides, our magnetic seam guide 't off course when sewing through thick fabrics