DURABLE MATERIAL: Sewing seam guide is made of stainless steel, durable and will not rust. Upgraded and thickened big head screw groove, more comfortable hand adjustment ADJUSTABLE: The hemming foot kit is adjustable in front, back, left, right and thickness, which can help you make beautiful patterns on lightweight fabrics easily Curved design: Adjustable presser foot has a curved entrance, which makes it easier to pass the fabric. Can be used for both flatbed and synchronized sewing machines, universal for both thick and thin fabrics VERSATILE: The hemming foot kit creates thin rolls by rotating the hem upward and pressing the spiral press downward. Suitable for even the most difficult fabrics to curl. For thicker fabrics, rotate the hem downward and press the spiral upward for excellent results Wide range of applications: Adjustable presser foot is narrower and can be used on most household sewing machines with low handles