Universal Sewing Rolling Hemmer Foot Kit - You receive 8 different sizes of sewn curly Hemmer feet, whose curly hair shape makes them perfect for folding fabric edges, making the Hemming Project effortless. It can firmly grip the fabric and aid in sewing straight or curved seams, making it Perfect for professional clothing labeling and home sewing enthusiasts with fewer errors. The precise control of seams - along with other traditional magnetic seam guidelines, when sewing thick fabrics, the rolling Hemmer feet do not deviate from the route. Simply place the rolling Hemmer feet on the throat plate of the sewing machine to maintain consistent seams and roll the width each time. Wide Application - Can be used in 8 different sizes [3mm/0.12 inch, 4mm/0.16 inch, 5mm/0.2 inch, 6mm/0.24 inch, 7mm/0.28 inch, 8mm/0.31 inch, 9mm/0.35 inch, 10mm/0.4 inch] to meet your different sewing needs, easy to replace, and can be widely used in most industrial sewing machines and flat sewing machines.